pith. sign in

arxiv: 2604.11702 · v1 · submitted 2026-04-13 · ❄️ cond-mat.str-el

Strongly correlated model of acousticlike plasmons persisting across the phase diagram of cuprate superconductors

Luciano Zinni , Hiroyuki Yamase , Matthias Hepting , Mat\'ias Bejas , Andr\'es Greco This is my paper

Pith reviewed 2026-05-10 16:24 UTC · model grok-4.3

classification ❄️ cond-mat.str-el
keywords acoustic plasmonscuprate superconductorsRIXSt-J-V modelstrong correlationsphase diagramLa2-xSrxCuO4collective modes
0
0 comments X

The pith

A single parameter set of the layered t-J-V model consistently describes acousticlike plasmon dispersion across the cuprate phase diagram.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper shows that one fixed set of parameters in the layered t-J-V model reproduces the dispersion of acousticlike plasmons measured by RIXS in La2-xSrxCuO4 from underdoped to heavily overdoped regimes. This holds even as the material passes through regions with pseudogap, charge order, and superconductivity. If true, the plasmons are largely insensitive to those varying orders and strong correlations remain relevant at all dopings. A reader cares because it provides a unified description of a collective mode instead of requiring separate models for each part of the phase diagram.

Core claim

The layered t-J-V model with a single transferable parameter set that includes strong correlations and the long-range Coulomb interaction V reproduces the acousticlike plasmon dispersion from all available RIXS data on cuprates across the full doping range. This transferability exceeds prior descriptions and indicates that the plasmon mode has limited sensitivity to phase-specific phenomena while strong correlations persist into the heavily overdoped regime.

What carries the argument

The layered t-J-V model with strong correlations and long-range Coulomb interaction V, which computes plasmon dispersion that matches RIXS data using fixed parameters across all dopings.

If this is right

  • Acousticlike plasmons exhibit consistent dispersion relations independent of doping level.
  • Strong correlations remain important in the model even in the heavily overdoped regime.
  • The plasmon mode shows only limited sensitivity to pseudogap, charge order, spin order, and superconductivity.
  • A single parameter set suffices without needing adjustments for different regions of the phase diagram.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • Plasmon measurements could serve as a doping-independent probe of correlation strength in layered systems.
  • The same modeling approach may apply to other layered superconductors or electron systems with long-range interactions.
  • If plasmons are weakly coupled, competing-order theories can treat them separately without strong renormalization effects.

Load-bearing premise

The t-J-V model parameters stay fixed across doping levels without phase-specific retuning, and acoustic plasmons couple only weakly to pseudogap, charge order, spin order, or superconductivity.

What would settle it

New RIXS data at an intermediate doping level or in the superconducting state that shows plasmon dispersion deviating from the fixed-parameter t-J-V prediction would falsify the claim.

Figures

Figures reproduced from arXiv: 2604.11702 by Andr\'es Greco, Hiroyuki Yamase, Luciano Zinni, Mat\'ias Bejas, Matthias Hepting.

Figure 1
Figure 1. Figure 1: FIG. 1. Schematic phase diagram of La [PITH_FULL_IMAGE:figures/full_fig_p002_1.png] view at source ↗
Figure 2
Figure 2. Figure 2: FIG. 2. In-plane plasmon dispersion. (a-h) Open symbols are plasmon energies determined in RIXS measurements on LSCO [PITH_FULL_IMAGE:figures/full_fig_p003_2.png] view at source ↗
Figure 3
Figure 3. Figure 3: FIG. 3. Out-of-plane plasmon dispersion. (a-d) Open sym [PITH_FULL_IMAGE:figures/full_fig_p004_3.png] view at source ↗
read the original abstract

Layered two-dimensional electron systems exhibit both optical and acousticlike plasmons around the Brillouin-zone center. In the layered cuprate La$_{2-x}$Sr$_x$CuO$_4$, resonant inelastic x-ray scattering (RIXS) has detected corresponding acousticlike plasmons in a low-energy regime comparable to that of other collective excitations associated with distinct regions of the cuprate phase diagram. This overlap in energy scale raises the question of whether the acousticlike plasmons are significantly influenced by phase-specific electronic phenomena, including the pseudogap, charge and spin order, superconductivity, and strange-metal behavior. Here we show that a single parameter set of the layered $t$-$J$-$V$ model, which incorporates strong correlations and the long-range Coulomb interaction $V$, consistently describes the acousticlike plasmon dispersion across all currently available RIXS data from the underdoped to the heavily overdoped regime. This transferability of a single parameter set exceeds that of earlier theoretical descriptions and supports a picture in which strong correlations persist into the heavily overdoped regime, while the collective plasmon mode exhibits only limited sensitivity to the phase-specific electronic phenomena that distinguish different regions of the phase diagram.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

1 major / 2 minor

Summary. The manuscript claims that a single fixed parameter set in the layered t-J-V model (incorporating strong correlations through the t-J terms and long-range Coulomb interaction V) reproduces the acoustic-like plasmon dispersion measured by RIXS in La_{2-x}Sr_xCuO_4 across the full doping range from underdoped to heavily overdoped, implying that strong correlations persist into the overdoped regime and that the plasmon mode has limited sensitivity to phase-specific phenomena such as the pseudogap, charge/spin order, or superconductivity.

Significance. If the central claim holds with a demonstrably transferable parameter set, the work would strengthen the case for a unified microscopic description of collective charge modes in cuprates that does not require doping-dependent retuning, highlighting the robustness of the t-J-V framework with long-range interactions. This exceeds prior models in transferability and provides a falsifiable prediction for future RIXS measurements at additional dopings or momenta.

major comments (1)
  1. [Model and results sections (around the description of parameter determination and comparison to RIXS)] The manuscript asserts a single transferable parameter set but provides no explicit description of the fitting procedure, including the objective function, error bars on RIXS dispersion data, or criteria used to select/weight data points across doping levels. Without this, it is impossible to assess whether the reproduction is a genuine prediction or follows by construction from parameter adjustment to the same dataset.
minor comments (2)
  1. [Model Hamiltonian section] Clarify the precise form of the long-range Coulomb term V in the layered geometry and how it is implemented in the density-density response calculation (e.g., via RPA or other approximation).
  2. [Results] Add a table or explicit list of the final t, J, V (and any other) parameter values used for all dopings, together with a brief comparison to values from prior literature on the t-J model.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for their careful reading of our manuscript and for identifying an important point regarding the transparency of our parameter selection. We address the comment below and have revised the manuscript to provide the requested details.

read point-by-point responses

  1. Referee: The manuscript asserts a single transferable parameter set but provides no explicit description of the fitting procedure, including the objective function, error bars on RIXS dispersion data, or criteria used to select/weight data points across doping levels. Without this, it is impossible to assess whether the reproduction is a genuine prediction or follows by construction from parameter adjustment to the same dataset.

    Authors: We agree that the original manuscript did not include an explicit account of the parameter determination process. In reality, no fitting or optimization was performed against the RIXS plasmon dispersion data. The parameters of the layered t-J-V model (t, t', J, and the form of the long-range V) were instead taken from established literature values determined independently by other experiments and calculations, such as ARPES for the hopping terms and neutron scattering for J, with V fixed by the known interlayer Coulomb interaction in cuprates. The same fixed set was then used without adjustment to compute the acoustic-like plasmon dispersions at all dopings for direct comparison to the available RIXS measurements. This procedure tests the model's transferability rather than constructing agreement by fitting. In the revised manuscript we have added a new paragraph in the Model section that (i) lists the numerical values and their literature sources, (ii) states explicitly that no objective function or data weighting was applied to the RIXS dispersions, and (iii) notes that the error bars on the experimental points are taken directly from the cited RIXS papers without re-weighting. These additions should allow readers to judge whether the agreement constitutes a genuine prediction. revision: yes

Circularity Check

0 steps flagged

No significant circularity detected

full rationale

The paper computes the density-density response within the layered t-J-V model using a single fixed parameter set and compares the resulting acousticlike plasmon dispersion to RIXS data across doping regimes. This is a standard model-to-data validation exercise; the transferability of parameters is presented as an empirical outcome of the calculations rather than a definitional identity. No load-bearing step reduces by construction to its own inputs, no self-citations serve as the sole justification for uniqueness or ansatz choices, and the effective model’s decoupling from other orders is an explicit modeling assumption whose consequences are then tested against experiment. The derivation chain remains self-contained against external benchmarks.

Axiom & Free-Parameter Ledger

1 free parameters · 1 axioms · 0 invented entities

The model introduces strong correlations via t-J terms plus long-range V; parameters are adjusted once to fit multiple datasets, implying they function as effective fitted quantities rather than first-principles inputs.

free parameters (1)
  • t-J-V parameters
    Single set chosen to match RIXS dispersions across doping; specific values not given in abstract but treated as transferable.
axioms (1)
  • domain assumption Layered t-J-V model captures essential physics of cuprates including long-range Coulomb interaction
    Invoked to justify use of the model without phase-specific extensions.

pith-pipeline@v0.9.0 · 5529 in / 1264 out tokens · 52572 ms · 2026-05-10T16:24:46.388306+00:00 · methodology

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.

Forward citations

Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Unconventional plasmon dynamics due to strong correlations in Sr$_2$RuO$_4$

    cond-mat.str-el 2026-04 unverdicted novelty 7.0

    Strong electron correlations in Sr2RuO4 produce unconventional plasmon dispersion, intrinsic width below the electron-hole continuum, and a high-energy peak from incoherent transitions.

Reference graph

Works this paper leans on

99 extracted references · 99 canonical work pages · cited by 1 Pith paper · 1 internal anchor

  1. [14]

    Braicovich, J

    L. Braicovich, J. van den Brink, V. Bisogni, M. M. Sala, L. J. P. Ament, N. B. Brookes, G. M. De Luca, M. Sal- luzzo, T. Schmitt, V. N. Strocov, and G. Ghiringhelli, Magnetic Excitations and Phase Separation in the Un- derdoped La 2−xSrxCuO4 Superconductor Measured by 6 Resonant Inelastic X-Ray Scattering, Phys. Rev. Lett. 104, 077002 (2010)

    work page 2010

  2. [16]

    M. P. M. Dean, A. J. A. James, R. S. Springell, X. Liu, C. Monney, K. J. Zhou, R. M. Konik, J. S. Wen, Z. J. Xu, G. D. Gu, V. N. Strocov, T. Schmitt, and J. P. Hill, High- Energy Magnetic Excitations in the Cuprate Supercon- ductor Bi 2Sr2CaCu2O8+δ: Towards a Unified Descrip- tion of Its Electronic and Magnetic Degrees of Freedom, Phys. Rev. Lett.110, 147...

    work page 2013

  3. [36]

    Allais, J

    A. Allais, J. Bauer, and S. Sachdev, Density wave insta- bilities in a correlated two-dimensional metal, Phys. Rev. B90, 155114 (2014). 7

    work page 2014

  4. [39]

    W. A. Atkinson, A. P. Kampf, and S. Bulut, Charge order in the pseudogap phase of cuprate superconductors, New J. Phys.17, 013025 (2015)

    work page 2015

  5. [62]

    Romberg, N

    H. Romberg, N. N¨ ucker, J. Fink, T. Wolf, X. X. Xi, 8 B. Koch, H. P. Geserich, M. D¨ urrler, W. Assmus, and B. Gegenheimer, Dielectric function of YBa2Cu3O7−δ be- tween 50 meV and 50 eV, Zeitschrift f¨ ur Physik B Con- densed Matter78, 367 (1990)

    work page 1990

  6. [65]

    A. Bill, H. Morawitz, and V. Z. Kresin, Electronic collec- tive modes and superconductivity in layered conductors, Phys. Rev. B68, 144519 (2003)

    work page 2003

  7. [92]

    Strongly correlated model of acousticlike plasmons persisting across the phase diagram of cuprate superconductors

    J. Levallois, M. Tran, D. Pouliot, C. Presura, L. Greene, J. Eckstein, J. Uccelli, E. Giannini, G. Gu, A. Leggett, and D. van der Marel, Temperature-dependent ellipsom- etry measurements of partial coulomb energy in super- conducting cuprates, Phys. Rev. X6, 031027 (2016). Supplemental Material for “Strongly correlated model of acousticlike plasmons persi...

    work page 2016

  8. [93]

    Keimer, S

    B. Keimer, S. A. Kivelson, M. R. Norman, S. Uchida, and J. Zaanen, From quantum matter to high-temperature superconductivity in copper oxides, Nature518, 179 (2015)

    work page 2015

  9. [94]

    P. A. Lee, N. Nagaosa, and X.-G. Wen, Doping a Mott in- sulator: Physics of high-temperature superconductivity, Rev. Mod. Phys.78, 17 (2006)

    work page 2006

  10. [95]

    D. J. Scalapino, A common thread: The pairing inter- action for unconventional superconductors, Rev. Mod. Phys.84, 1383 (2012)

    work page 2012

  11. [96]

    P. Dai, H. A. Mook, R. D. Hunt, and F. Do˘ gan, Evo- lution of the resonance and incommensurate spin fluctu- ations in superconducting YBa 2Cu3O6+x, Phys. Rev. B 63, 054525 (2001)

    work page 2001

  12. [97]

    Devereaux and R

    T. Devereaux and R. Hackl, Inelastic light scattering from correlated electrons, Rev. Mod. Phys.79, 175 (2007)

    work page 2007

  13. [98]

    Damascelli, Z

    A. Damascelli, Z. Hussain, and Z.-X. Shen, Angle- resolved photoemission studies of the cuprate supercon- ductors, Rev. Mod. Phys.75, 473 (2003)

    work page 2003

  14. [99]

    J. Fink, M. Knupfer, S. Atzkern, and M. Golden, Electronic correlations in solids, studied using electron energy-loss spectroscopy, J. Electron Spectros. Relat. Phenomena117-118, 287 (2001)

    work page 2001

  15. [100]

    Fischer, M

    O. Fischer, M. Kugler, I. Maggio-Aprile, C. Berthod, and C. Renner, Scanning tunneling spectroscopy of high- temperature superconductors, Rev. Mod. Phys.79, 353 (2007)

    work page 2007

  16. [101]

    D. F. Agterberg, J. S. Davis, S. D. Edkins, E. Fradkin, D. J. Van Harlingen, S. A. Kivelson, P. A. Lee, L. Radz- ihovsky, J. M. Tranquada, and Y. Wang, The physics of pair-density waves: Cuprate superconductors and be- yond, Annual Review of Condensed Matter Physics11, 231 (2020)

    work page 2020

  17. [102]

    D. N. Basov and T. Timusk, Electrodynamics of high-T c superconductors, Rev. Mod. Phys.77, 721 (2005)

    work page 2005

  18. [103]

    L. J. P. Ament, M. van Veenendaal, T. P. Devereaux, J. P. Hill, and J. van den Brink, Resonant inelastic x-ray scattering studies of elementary excitations, Rev. Mod. Phys.83, 705 (2011)

    work page 2011

  19. [104]

    F. M. F. de Groot, M. W. Haverkort, H. Elnaggar, A. Juhin, K.-J. Zhou, and P. Glatzel, Resonant inelas- tic x-ray scattering, Nature Reviews Methods Primers4, 45 (2024)

    work page 2024

  20. [105]

    Mitrano, S

    M. Mitrano, S. Johnston, Y.-J. Kim, and M. P. M. Dean, Exploring Quantum Materials with Resonant Inelastic X- Ray Scattering, Phys. Rev. X14, 040501 (2024)

    work page 2024

  21. [106]

    Braicovich, J

    L. Braicovich, J. van den Brink, V. Bisogni, M. M. Sala, L. J. P. Ament, N. B. Brookes, G. M. De Luca, M. Sal- luzzo, T. Schmitt, V. N. Strocov, and G. Ghiringhelli, Magnetic Excitations and Phase Separation in the Un- derdoped La 2−xSrxCuO4 Superconductor Measured by Resonant Inelastic X-Ray Scattering, Phys. Rev. Lett. 104, 077002 (2010)

    work page 2010

  22. [107]

    Le Tacon, G

    M. Le Tacon, G. Ghiringhelli, J. Chaloupka, M. M. Sala, V. Hinkov, M. W. Haverkort, M. Minola, M. Bakr, K. J. Zhou, S. Blanco-Canosa, C. Monney, Y. T. Song, G. L. Sun, C. T. Lin, G. M. De Luca, M. Salluzzo, G. Khal- iullin, T. Schmitt, L. Braicovich, and B. Keimer, In- tense paramagnon excitations in a large family of high- temperature superconductors, Na...

    work page 2011

  23. [108]

    M. P. M. Dean, A. J. A. James, R. S. Springell, X. Liu, C. Monney, K. J. Zhou, R. M. Konik, J. S. Wen, Z. J. Xu, 6 G. D. Gu, V. N. Strocov, T. Schmitt, and J. P. Hill, High- Energy Magnetic Excitations in the Cuprate Supercon- ductor Bi 2Sr2CaCu2O8+δ: Towards a Unified Descrip- tion of Its Electronic and Magnetic Degrees of Freedom, Phys. Rev. Lett.110, 1...

    work page 2013

  24. [109]

    Le Tacon, M

    M. Le Tacon, M. Minola, D. C. Peets, M. Moretti Sala, S. Blanco-Canosa, V. Hinkov, R. Liang, D. A. Bonn, W. N. Hardy, C. T. Lin, T. Schmitt, L. Braicovich, G. Ghiringhelli, and B. Keimer, Dispersive spin exci- tations in highly overdoped cuprates revealed by reso- nant inelastic x-ray scattering, Phys. Rev. B88, 020501 (2013)

    work page 2013

  25. [110]

    M. P. M. Dean, G. Dellea, R. S. Springell, F. Yakhou- Harris, K. Kummer, N. B. Brookes, X. Liu, Y.-J. Sun, J. Strle, T. Schmitt, L. Braicovich, G. Ghiringhelli, I. Boˇ zovi´ c, and J. P. Hill, Persistence of magnetic ex- citations in La 2−xSrxCuO4 from the undoped insulator to the heavily overdoped non-superconducting metal, Na- ture Materials12, 1019 (2013)

    work page 2013

  26. [111]

    Minola, G

    M. Minola, G. Dellea, H. Gretarsson, Y. Y. Peng, Y. Lu, J. Porras, T. Loew, F. Yakhou, N. B. Brookes, Y. B. Huang, J. Pelliciari, T. Schmitt, G. Ghiringhelli, B. Keimer, L. Braicovich, and M. Le Tacon, Collective nature of spin excitations in superconducting cuprates probed by resonant inelastic x-ray scattering, Phys. Rev. Lett.114, 217003 (2015)

    work page 2015

  27. [112]

    Monney, T

    C. Monney, T. Schmitt, C. E. Matt, J. Mesot, V. N. Strocov, O. J. Lipscombe, S. M. Hayden, and J. Chang, Resonant inelastic x-ray scattering study of the spin and charge excitations in the overdoped superconductor La1.77Sr0.23CuO4, Phys. Rev. B93, 075103 (2016)

    work page 2016

  28. [113]

    Minola, Y

    M. Minola, Y. Lu, Y. Y. Peng, G. Dellea, H. Gre- tarsson, M. W. Haverkort, Y. Ding, X. Sun, X. J. Zhou, D. C. Peets, L. Chauviere, P. Dosanjh, D. A. Bonn, R. Liang, A. Damascelli, M. Dantz, X. Lu, T. Schmitt, L. Braicovich, G. Ghiringhelli, B. Keimer, and M. Le Tacon, Crossover from Collective to Incoherent Spin Excitations in Superconducting Cuprates Pro...

    work page 2017

  29. [114]

    Hameed, Y

    S. Hameed, Y. Liu, M. Knauft, K. S. Rabinovich, G. Kim, G. Christiani, G. Logvenov, F. Yakhou-Harris, A. V. Boris, B. Keimer, and M. Minola, Evolution of spin excitations in superconducting La 2−xCaxCuO4−δ from the underdoped to the heavily overdoped regime (2025), arXiv:2509.06680 [cond-mat.supr-con]

    work page arXiv 2025

  30. [115]

    R. J. Birgeneau, C. Stock, J. M. Tranquada, and K. Ya- mada, Magnetic neutron scattering in hole-doped cuprate superconductors, J. Phys. Soc. Jpn.75, 111003 (2006)

    work page 2006

  31. [116]

    Wakimoto, K

    S. Wakimoto, K. Ishii, H. Kimura, M. Fujita, G. Del- lea, K. Kummer, L. Braicovich, G. Ghiringhelli, L. M. Debeer-Schmitt, and G. E. Granroth, High-energy mag- netic excitations in overdoped La2−xSrxCuO4 studied by neutron and resonant inelastic x-ray scattering, Phys. Rev. B91, 184513 (2015)

    work page 2015

  32. [117]

    Ghiringhelli, M

    G. Ghiringhelli, M. Le Tacon, M. Minola, S. Blanco- Canosa, C. Mazzoli, N. B. Brookes, G. M. De Luca, A. Frano, D. G. Hawthorn, F. He, T. Loew, M. M. Sala, D. C. Peets, M. Salluzzo, E. Schierle, R. Sutarto, G. A. Sawatzky, E. Weschke, B. Keimer, and L. Braicovich, Long-Range Incommensurate Charge Fluctuations in (Y,Nd)Ba2Cu3O6+x, Science337, 821 (2012)

    work page 2012

  33. [118]

    Chang, E

    J. Chang, E. Blackburn, A. T. Holmes, N. B. Chris- tensen, J. Larsen, J. Mesot, R. Liang, D. A. Bonn, W. N. Hardy, A. Watenphul, M. v. Zimmermann, E. M. Forgan, and S. M. Hayden, Direct observation of competition be- tween superconductivity and charge density wave order in YBa2Cu3O6.67, Nat. Phys.8, 871 (2012)

    work page 2012

  34. [119]

    A. J. Achkar, R. Sutarto, X. Mao, F. He, A. Frano, S. Blanco-Canosa, M. Le Tacon, G. Ghiringhelli, L. Braicovich, M. Minola, M. Moretti Sala, C. Maz- zoli, R. Liang, D. A. Bonn, W. N. Hardy, B. Keimer, G. A. Sawatzky, and D. G. Hawthorn, Distinct Charge Orders in the Planes and Chains of Ortho-III-Ordered YBa2Cu3O6+δ Superconductors Identified by Resonant...

    work page 2012

  35. [120]

    C. C. Tam, M. Zhu, M. C. Barth´ elemy, L. J. Cane, O. J. Lipscombe, S. Agrestini, J. Choi, M. Garcia-Fernandez, K.-J. Zhou, and S. M. Hayden, The doping evolution of the charge density wave and charge density fluctua- tions in La 2−xSrxCuO4 (2025), arXiv:2508.08885 [cond- mat.supr-con]

    work page internal anchor Pith review arXiv 2025

  36. [121]

    Li, H.-Y

    Q. Li, H.-Y. Huang, T. Ren, E. Weschke, L. Ju, C. Zou, S. Zhang, Q. Qiu, J. Liu, S. Ding, A. Singh, O. Prokhnenko, D.-J. Huang, I. Esterlis, Y. Wang, Y. Xie, and Y. Peng, Prevailing Charge Order in Overdoped La 2−xSrxCuO4 beyond the Superconducting Dome, Phys. Rev. Lett.131, 116002 (2023)

    work page 2023

  37. [122]

    Hameed, Y

    S. Hameed, Y. Liu, K. S. Rabinovich, G. Kim, M. Neumann, P. Wochner, G. Christiani, G. Logvenov, K. Higuchi, N. B. Brookes, E. Weschke, F. Yakhou- Harris, A. V. Boris, B. Keimer, and M. Minola, Inter- play between electronic and atomic short-range order in La 2−xCaxCuO4−δ: Temperature and doping depen- dence, Phys. Rev. B112, L161114 (2025)

    work page 2025

  38. [123]

    Zeyher and A

    R. Zeyher and A. Greco, Self-energy effects in electronic raman spectra of doped cuprates due to magnetic fluctu- ations, Phys. Rev. B87, 224511 (2013)

    work page 2013

  39. [124]

    Benjamin, I

    D. Benjamin, I. Klich, and E. Demler, Single-Band Model of Resonant Inelastic X-Ray Scattering by Quasiparticles in High-T c Cuprate Superconductors, Phys. Rev. Lett. 112, 247002 (2014)

    work page 2014

  40. [125]

    C. J. Jia, E. A. Nowadnick, K. Wohlfeld, Y. F. Kung, C. C. Chen, S. Johnston, T. Tohyama, B. Moritz, and T. P. Devereaux, Persistent spin excitations in doped an- tiferromagnets revealed by resonant inelastic light scat- tering, Nat. Commun.5, 3314 (2014)

    work page 2014

  41. [126]

    Zafur and H

    M. Zafur and H. Yamase, Spin and bond-charge excita- tion spectra in correlated electron systems near an anti- ferromagnetic phase, Phys. Rev. B109, 245127 (2024)

    work page 2024

  42. [127]

    Bejas, A

    M. Bejas, A. Greco, and H. Yamase, Possible charge instabilities in two-dimensional doped Mott insulators, Phys. Rev. B86, 224509 (2012)

    work page 2012

  43. [128]

    Allais, J

    A. Allais, J. Bauer, and S. Sachdev, Density wave insta- bilities in a correlated two-dimensional metal, Phys. Rev. B90, 155114 (2014)

    work page 2014

  44. [129]

    Meier, C

    H. Meier, C. P´ epin, M. Einenkel, and K. B. Efetov, Cas- cade of phase transitions in the vicinity of a quantum critical point, Phys. Rev. B89, 195115 (2014)

    work page 2014

  45. [130]

    Wang and A

    Y. Wang and A. Chubukov, Charge-density-wave or- der with momentum (2Q,0) and (0,2Q) within the spin-fermion model: Continuous and discrete symme- try breaking, preemptive composite order, and relation to pseudogap in hole-doped cuprates, Phys. Rev. B90, 035149 (2014)

    work page 2014

  46. [131]

    W. A. Atkinson, A. P. Kampf, and S. Bulut, Charge order in the pseudogap phase of cuprate superconductors, New 7 J. Phys.17, 013025 (2015)

    work page 2015

  47. [132]

    Yamakawa and H

    Y. Yamakawa and H. Kontani, Spin-fluctuation-driven nematic charge-density wave in cuprate superconductors: Impact of Aslamazov-Larkin vertex corrections, Phys. Rev. Lett.114, 257001 (2015)

    work page 2015

  48. [133]

    Mishra and M

    V. Mishra and M. R. Norman, Strong coupling critique of spin fluctuation driven charge order in underdoped cuprates, Phys. Rev. B92, 060507(R) (2015)

    work page 2015

  49. [134]

    Zeyher and A

    R. Zeyher and A. Greco, Competition between spin- induced charge instabilities in underdoped cuprates, Phys. Rev. B98, 224504 (2018)

    work page 2018

  50. [135]

    Ishii, K

    K. Ishii, K. Tsutsui, Y. Endoh, T. Tohyama, S. Maekawa, M. Hoesch, K. Kuzushita, M. Tsubota, T. Inami, J. Mizuki, Y. Murakami, and K. Yamada, Momentum Dependence of Charge Excitations in the Electron-Doped Superconductor Nd 1.85Ce0.15CuO4: A Resonant Inelas- tic X-Ray Scattering Study, Phys. Rev. Lett.94, 207003 (2005)

    work page 2005

  51. [136]

    Wakimoto, K

    S. Wakimoto, K. Ishii, H. Kimura, K. Ikeuchi, M. Yoshida, T. Adachi, D. Casa, M. Fujita, Y. Fukunaga, T. Gog, Y. Koike, J. Mizuki, and K. Yamada, Resonant inelastic x-ray scattering study of intraband charge exci- tations in hole-doped high-T c cuprates, Phys. Rev. B87, 104511 (2013)

    work page 2013

  52. [137]

    Ishii, T

    K. Ishii, T. Tohyama, S. Asano, K. Sato, M. Fujita, S. Wakimoto, K. Tustsui, S. Sota, J. Miyawaki, H. Niwa, Y. Harada, J. Pelliciari, Y. Huang, T. Schmitt, Y. Ya- mamoto, and J. Mizuki, Observation of momentum- dependent charge excitations in hole-doped cuprates us- ing resonant inelastic x-ray scattering at the oxygenK edge, Phys. Rev. B96, 115148 (2017)

    work page 2017

  53. [138]

    Hepting, L

    M. Hepting, L. Chaix, E. W. Huang, R. Fumagalli, Y. Y. Peng, B. Moritz, K. Kummer, N. B. Brookes, W. C. Lee, M. Hashimoto, T. Sarkar, J.-F. He, C. R. Rotundu, Y. S. Lee, R. L. Greene, L. Braicovich, G. Ghiringhelli, Z. X. Shen, T. P. Devereaux, and W. S. Lee, Three-dimensional collective charge excitations in electron-doped copper ox- ide superconductors,...

    work page 2018

  54. [139]

    J. Lin, J. Yuan, K. Jin, Z. Yin, G. Li, K.-J. Zhou, X. Lu, M. Dantz, T. Schmitt, H. Ding, H. Guo, M. P. M. Dean, and X. Liu, Doping evolution of the charge excita- tions and electron correlations in electron-doped super- conducting La2−xCexCuO4, npj Quantum Materials5, 4 (2020)

    work page 2020

  55. [140]

    A. Nag, M. Zhu, M. Bejas, J. Li, H. C. Robarts, H. Ya- mase, A. N. Petsch, D. Song, H. Eisaki, A. C. Wal- ters, M. Garc´ ıa-Fern´ andez, A. Greco, S. M. Hayden, and K.-J. Zhou, Detection of Acoustic Plasmons in Hole- Doped Lanthanum and Bismuth Cuprate Superconduc- tors Using Resonant Inelastic X-Ray Scattering, Phys. Rev. Lett.125, 257002 (2020)

    work page 2020

  56. [141]

    Singh, H

    A. Singh, H. Y. Huang, C. Lane, J. H. Li, J. Okamoto, S. Komiya, R. S. Markiewicz, A. Bansil, T. K. Lee, A. Fu- jimori, C. T. Chen, and D. J. Huang, Acoustic plasmons and conducting carriers in hole-doped cuprate supercon- ductors, Phys. Rev. B105, 235105 (2022)

    work page 2022

  57. [142]

    Hepting, M

    M. Hepting, M. Bejas, A. Nag, H. Yamase, N. Coppola, D. Betto, C. Falter, M. Garcia-Fernandez, S. Agrestini, K.-J. Zhou, M. Minola, C. Sacco, L. Maritato, P. Or- giani, H. I. Wei, K. M. Shen, D. G. Schlom, A. Galdi, A. Greco, and B. Keimer, Gapped collective charge ex- citations and interlayer hopping in cuprate superconduc- tors, Phys. Rev. Lett.129, 047...

    work page 2022

  58. [143]

    Hepting, T

    M. Hepting, T. D. Boyko, V. Zimmermann, M. Be- jas, Y. E. Suyolcu, P. Puphal, R. J. Green, L. Zinni, J. Kim, D. Casa, M. H. Upton, D. Wong, C. Schulz, M. Bartkowiak, K. Habicht, E. Pomjakushina, G. Cris- tiani, G. Logvenov, M. Minola, H. Yamase, A. Greco, and B. Keimer, Evolution of plasmon excitations across the phase diagram of the cuprate superconducto...

    work page 2023

  59. [144]

    Nakata, M

    S. Nakata, M. Bejas, J. Okamoto, K. Yamamoto, D. Shiga, R. Takahashi, H. Y. Huang, H. Kumigashira, H. Wadati, J. Miyawaki, S. Ishida, H. Eisaki, A. Fuji- mori, A. Greco, H. Yamase, D. J. Huang, and H. Suzuki, Out-of-phase plasmon excitations in the trilayer cuprate Bi2Sr2Ca2Cu3O10+δ, Phys. Rev. B111, 165141 (2025)

    work page 2025

  60. [145]

    Bejas, V

    M. Bejas, V. Zimmermann, D. Betto, T. D. Boyko, R. J. Green, T. Loew, N. B. Brookes, G. Cristiani, G. Logvenov, M. Minola, B. Keimer, H. Yamase, A. Greco, and M. Hepting, Plasmon dispersion in bi- layer cuprate superconductors, Phys. Rev. B109, 144516 (2024)

    work page 2024

  61. [146]

    A. Nag, L. Zinni, J. Choi, J. Li, S. Tu, A. C. Walters, S. Agrestini, S. M. Hayden, M. Bejas, Z. Lin, H. Yamase, K. Jin, M. Garc´ ıa-Fern´ andez, J. Fink, A. Greco, and K.- J. Zhou, Impact of electron correlations on two-particle charge response in electron- and hole-doped cuprates, Phys. Rev. Res.6, 043184 (2024)

    work page 2024

  62. [147]

    Ishii, M

    K. Ishii, M. Fujita, T. Sasaki, M. Minola, G. Dellea, C. Mazzoli, K. Kummer, G. Ghiringhelli, L. Braicovich, T. Tohyama, K. Tsutsumi, K. Sato, R. Kajimoto, K. Ikeuchi, K. Yamada, M. Yoshida, M. Kurooka, and J. Mizuki, High-energy spin and charge excitations in electron-doped copper oxide superconductors, Nat. Com- mun.5, 3714 (2014)

    work page 2014

  63. [148]

    W. S. Lee, J. J. Lee, E. A. Nowadnick, S. Gerber, W. Tabis, S. W. Huang, V. N. Strocov, E. M. Motoyama, G. Yu, B. Moritz, H. Y. Huang, R. P. Wang, Y. B. Huang, W. B. Wu, C. T. Chen, D. J. Huang, M. Greven, T. Schmitt, Z. X. Shen, and T. P. Devereaux, Asymme- try of collective excitations in electron- and hole-doped cuprate superconductors, Nat. Phys.10, 8...

    work page 2014

  64. [149]

    A. L. Fetter, Electrodynamics of a layered electron gas. I. Single layer, Annals of Physics81, 367 (1973)

    work page 1973

  65. [150]

    Grecu, Plasma Frequency of the Electron Gas in Lay- ered Structures, Phys

    D. Grecu, Plasma Frequency of the Electron Gas in Lay- ered Structures, Phys. Rev. B8, 1958 (1973)

    work page 1958

  66. [151]

    Apostol, Plasma frequency of the electron gas in lay- ered structures, Z

    M. Apostol, Plasma frequency of the electron gas in lay- ered structures, Z. Phys. B22, 13 (1975)

    work page 1975

  67. [152]

    Grecu, Self-consistent field approximation for the plasma frequencies of an electron gas in a layered thin film, J

    D. Grecu, Self-consistent field approximation for the plasma frequencies of an electron gas in a layered thin film, J. Phys. C: Solid State Phys.8, 2627 (1975)

    work page 1975

  68. [153]

    N¨ ucker, H

    N. N¨ ucker, H. Romberg, S. Nakai, B. Scheerer, J. Fink, Y. F. Yan, and Z. X. Zhao, Plasmons and interband transitions in Bi 2Sr2CaCu2O8, Phys. Rev. B39, 12379 (1989)

    work page 1989

  69. [154]

    Romberg, N

    H. Romberg, N. N¨ ucker, J. Fink, T. Wolf, X. X. Xi, B. Koch, H. P. Geserich, M. D¨ urrler, W. Assmus, and B. Gegenheimer, Dielectric function of YBa2Cu3O7−δ be- tween 50 meV and 50 eV, Zeitschrift f¨ ur Physik B Con- densed Matter78, 367 (1990)

    work page 1990

  70. [155]

    Greco, H

    A. Greco, H. Yamase, and M. Bejas, Plasmon excitations in layered high-T c cuprates, Phys. Rev. B94, 075139 (2016)

    work page 2016

  71. [156]

    Ruvalds, Plasmons and high-temperature supercon- ductivity in alloys of copper oxides, Phys

    J. Ruvalds, Plasmons and high-temperature supercon- ductivity in alloys of copper oxides, Phys. Rev. B35, 8869 (1987)

    work page 1987

  72. [157]

    A. Bill, H. Morawitz, and V. Z. Kresin, Electronic collec- 8 tive modes and superconductivity in layered conductors, Phys. Rev. B68, 144519 (2003)

    work page 2003

  73. [158]

    R. S. Markiewicz and A. Bansil, Dispersion anomalies induced by the low-energy plasmon in the cuprates, Phys. Rev. B75, 020508(R) (2007)

    work page 2007

  74. [159]

    R. S. Markiewicz, M. Z. Hasan, and A. Bansil, Acoustic plasmons and doping evolution of mott physics in res- onant inelastic x-ray scattering from cuprate supercon- ductors, Phys. Rev. B77, 094518 (2008)

    work page 2008

  75. [160]

    Zaanen, Planckian dissipation, minimal viscosity and the transport in cuprate strange metals, SciPost Phys.6, 061 (2019)

    J. Zaanen, Planckian dissipation, minimal viscosity and the transport in cuprate strange metals, SciPost Phys.6, 061 (2019)

    work page 2019

  76. [161]

    Fidrysiak and J

    M. Fidrysiak and J. Spa lek, Unified theory of spin and charge excitations in high-Tc cuprate superconductors: A quantitative comparison with experiment and interpreta- tion, Phys. Rev. B104, L020510 (2021)

    work page 2021

  77. [162]

    C. Boyd, L. Yeo, and P. Phillips, Probing the bulk plas- mon continuum of layered materials through electron en- ergy loss spectroscopy in a reflection geometry, Physical Review B106, 155152 (2022)

    work page 2022

  78. [163]

    Gabriele, C

    F. Gabriele, C. Castellani, and L. Benfatto, Generalized plasma waves in layered superconductors: A unified ap- proach, Phys. Rev. Res.4, 023112 (2022)

    work page 2022

  79. [164]

    V. M. Silkin, S.-L. Drechsler, and D. V. Efremov, Un- usual low-energy collective charge excitations in high-tc cuprate superconductors, J. Phys. Chem. Lett.14, 8060 (2023)

    work page 2023

  80. [165]

    Sellati and L

    N. Sellati and L. Benfatto, Ghost josephson plasmon in bilayer superconductors, Phys. Rev. B111, 104509 (2025)

    work page 2025

Showing first 80 references.