Pith. sign in

REVIEW 3 major objections 5 minor 1 cited by

Evidence of topological Kondo insulating state in MoTe2/WSe2 moir\'e bilayers

T0 review · 3 major / 5 minor · reviewed 2026-08-06 · deepseek-v4-flash

Challenge this review Re-run · record.json Download PDF Read on arXiv ↗

Pith's one-line read This paper reports evidence that angle-aligned MoTe2/WSe2 moiré bilayers at total filling ν=1+1 form a two-dimensional topological Kondo insulator, with a ~1 meV bulk gap and spin-Sz-protected helical edge transport that vanish when the…

desk verdict Strong experimental case for a 2D topological Kondo insulator in MoTe2/WSe2, but the Kondo-gap assignment rests on B=0 layer fillings not directly demonstrated at zero field. read the letter →

arxiv 2507.03287 v1 pith:XVMQK5RS submitted 2025-07-04 cond-mat.mes-hall cond-mat.str-el

Zhongdong Han , Yiyu Xia , Zhengchao Xia , Wenjin Zhao , Yichi Zhang , Kenji Watanabe , Takashi Taniguchi , Jie Shan
show 1 more author
Kin Fai Mak
This is my paper
classification cond-mat.mes-hallcond-mat.str-el
keywords TopologicalKondoinsulatorMoirébilayersMoTe2/WSe2latticeHelicaledgestatesSpin-SzconservationHeavyfermionsPenetrationcapacitance
verification ladder T0 review T1 audit T2 compute T3 formal

The pith

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

The reading

This paper presents experimental evidence that angle-aligned MoTe2/WSe2 moiré bilayers can host a two-dimensional topological Kondo insulator, a state long theorized but never before demonstrated in 2D. At total hole filling $\nu=1+1$, the MoTe2 layer is a triangular-lattice Mott insulator and the WSe2 layer supplies an itinerant band, with the two Kondo-coupled through a topologically nontrivial interlayer hybridization. Transport and compressibility measurements show a bulk charge gap of about 1 meV, local resistance saturating near $h/e^2$, and nonlocal signals matching helical edge conduction protected by spin-$S_z$ conservation. The insulating and edge signatures appear only below a coherence temperature $T^*\approx 30$ K, vanish under an out-of-plane field near 11 T where Kondo singlets break down, and disappear entirely when the Mo-layer moments are depleted. If correct, this is the first two-dimensional topological Kondo insulator and a tunable platform for Kondo-driven band topology.

What carries the argument

The load-bearing object is the moiré Anderson–Kondo lattice formed by the angle-aligned MoTe2/WSe2 bilayer: the MoTe2 layer contributes a flat Hubbard band (the $f$-electrons) that is Mott-localized at $\nu_f=1$ into a triangular lattice of local moments, and the WSe2 layer contributes a dispersive band (the $c$-electrons) tuned to $\nu_c=1$, hybridized through a topologically nontrivial interlayer hopping $V$. The measurements that carry the argument are local, bulk, and nonlocal four-terminal transport together with penetration capacitance; the nonlocal geometry isolates edge conduction via an equivalent resistance network, and the comparison of in-plane versus out-of-plane magnetoresistance isolates spin-$S_z$ conservation. The same device platform lets the authors tune continuously between a mixed-valence topological insulator and the Kondo lattice state, showing the two are adiabatically connected.

What would settle it

Direct determination of the per-layer fillings at $\nu=1+1$ (for example by layer-resolved compressibility or a spectroscopic probe of the Hubbard bands) would settle the matter: if the Mo-layer is not at $\nu_f=1$, or if the ~1 meV incompressibility and helical edge signal persisted after the Mo-layer local moments were verified to be depleted, the Kondo-singlet origin of the topological insulator would be ruled out.

Watch

Extended reading notes

Core claim

The central claim is that the $\nu=1+1$ state in the Kondo lattice regime of angle-aligned MoTe2/WSe2 is a topological Kondo insulator: the bulk is an incompressible insulator with a charge gap of about 1 meV, while conduction at the sample edges is helical and protected by spin-$S_z$ conservation. The evidence is fourfold. Local four-terminal resistance saturates near $h/e^2$ at low temperature; bulk geometry resistance rises as temperature falls; penetration capacitance shows an incompressibility peak at $\nu=1+1$ whose integrated area gives the ~1 meV gap; and nonlocal resistances in three configurations match a Landauer-Büttiker circuit for counter-propagating helical edge states. In-plane magnetic field produces a large cusp-like positive magnetoresistance at this filling while out-of-plane field does not, the expected signature of spin-$S_z$ conservation. The state disappears at $\nu=0+1$, where the Mo-layer Mott insulator is depleted, and at fields around 11 T, where Kondo singlets break down, connecting the topology to the Kondo lattice rather than to single-particle band inversion.

Load-bearing premise

The interpretation assumes the gate-defined per-layer fillings are correct — MoTe2 at one hole per moiré site ($\nu_f=1$) and WSe2 near $\nu_c=1$ — so that the measured bulk gap and edge conduction are Kondo-driven and not a charge-transfer gap or single-particle gap at the same total filling.

Editorial extensions

If this is right

  • If the assignment is correct, this is the first two-dimensional topological Kondo insulator, providing a 2D setting in which Kondo screening, not single-particle band inversion, generates band topology.
  • The TKI at $\nu=1+1$ acts as the parent state of the heavy-fermion phase at $\nu_c<1$: the same Kondo breakdown that opens the metallic state also produces the observed jump in Hall density by one moiré density.
  • Because the edge conduction is protected by spin-$S_z$ conservation, out-of-plane fields leave it intact up to about 11 T while in-plane fields of 1 T already backscatter it, giving a directional on/off switch for the edge channel.
  • The smooth adiabatic crossover from mixed-valence topological insulator to TKI at fixed $\nu=2$ means the charge gap and edge coherence length can be tuned continuously in a single device.

Reading between the lines

Editorial extensions of the paper, not claims the author makes directly.

  • One natural test the paper does not perform is a length-dependent study: if the helical edge coherence length were increased by cleaner fabrication, the local resistance should approach $h/e^2$ more closely, and the residual ~20% excess should shrink.
  • The same electrostatics could in principle take a single device through topological Kondo insulator, Chern insulator, and trivial band insulator phases, mapping a correlation-driven topological phase diagram controlled purely by gates.
  • The Luttinger-liquid behaviour already seen in the mixed-valence edge suggests the TKI edge may exhibit interaction-induced spin-charge separation; shot-noise or momentum-resolved probes could test this directly.
  • Fractional fillings near $\nu=1+1$ are an unexplored regime where Kondo, Mott, and band topology could combine into fractional topological Kondo states; nothing in the present data rules this out.
Share X Bluesky LinkedIn Reddit HN

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, and a circularity audit.

Referee Report

3 major / 5 minor

Summary. The manuscript reports transport and compressibility experiments on angle-aligned MoTe2/WSe2 moiré bilayers. At total filling ν=1+1 in the region identified as the Kondo lattice regime, the authors observe a high-temperature metallic state, an insulating bulk probed by a bulk resistance geometry and penetration capacitance (charge gap ~1 meV), a local four-terminal resistance that saturates near 16 kΩ, nonlocal resistances whose signs and magnitudes match a Landauer-Büttiker edge-state circuit, and strongly anisotropic magnetoresistance consistent with helical edge states protected by spin-Sz conservation. They interpret the state as a two-dimensional topological Kondo insulator, with Kondo singlets forming below T*≈30 K and breaking down at B_c0≈11 T, and they show the state evolves adiabatically from a mixed-valence TI as the electric field is tuned at ν=2.

Significance. If the assignment is correct, this is the first experimental realization of a 2D topological Kondo insulator, and it establishes a tunable platform for topological Kondo physics. The paper's strengths include a multi-pronged experimental strategy: local/bulk/nonlocal transport, penetration-capacitance compressibility, Kondo-breakdown signatures, a parameter-free equivalent-circuit prediction for the nonlocal resistances, and reproducibility in two devices. The main qualifications are the reliance on B=14 T phase boundaries for the B=0 filling assignment and the imperfect/incorrectly stated quantization of the local resistance; these are addressed in the major comments.

major comments (3)
  1. [Electrostatics phase diagram; Fig. 2] The central identification of the ν=1+1 state as a TKI assumes that at B=0 the Mo-layer is Mott-insulating at ν_f≈1 and the W-layer is at ν_c≈1. The blue boundaries of the Kondo lattice region in Fig. 2c are, however, established from data at B=14 T, where Kondo singlets are broken, and the text explicitly states that no clear phase boundaries can be identified at B=0 T. Since the paper also shows that the mixed-valence TI is adiabatically connected to the TKI, the distinction between a Kondo-gap TKI and a mixed-valence TI is exactly the per-layer filling at B=0. The authors should supply B=0 evidence for the filling assignment, or alternatively demonstrate a Kondo-specific gap property such as the continuous closing of the charge gap near B_c0≈11 T. Currently the incompressibility data at B=0 and B=14 T only bracket the state and leave the mixed-valence interpretation open.
  2. [Evidence of TKI at ν=1+1; Fig. 4b] The local resistance plateau at ν=1+1 is reported as about 16 kΩ and is described as 'nearly quantized' and '≈20% higher than h/e²'. Since h/e² = 25.8 kΩ, 16 kΩ is 38% lower than h/e², not 20% higher. This internal inconsistency affects a central piece of evidence for helical edge conduction. If the intended quantized value is h/2e² = 12.9 kΩ, that should be stated explicitly and the equivalent-circuit model in Fig. 4d should be rederived, because its predicted nonlocal values assume h/e² resistors. The text should be corrected and the claim of near-quantization softened accordingly.
  3. [Evidence of TKI at ν=1+1; Fig. 4c] The magnetic-field evolution of the ~1 meV bulk gap is not shown. The paper demonstrates that the ν=1+1 state is incompressible at B=0 and metallic/compressible at B=14 T, but the continuous closing of the gap as B approaches the Kondo-breakdown field B_c0≈11 T would be the most direct evidence that the gap is Kondo-induced. A single-particle or charge-transfer gap would not be expected to close at B_c0. Adding penetration-capacitance or activated-transport data at intermediate fields would substantiate the Kondo origin of the gap and would also address the filling-assignment concern raised above.
minor comments (5)
  1. [Methods, nonlocal transport] In the Methods paragraph on nonlocal transport, the sentence 'the diffusive bulk transport away from ν=2 results in a negligible contribution' should refer to ν=1+1 (or the relevant incompressible state), since Fig. 4d is about the TKI at ν=1+1.
  2. [Methods, electrical measurements] The input impedance of the voltage amplifiers is given as '100 MW'; this should be '100 MΩ'.
  3. [Fig. 1g and bulk geometry description] The bulk geometry in Fig. 1g is described only by a schematic; its sensitivity to edge states is not quantified. A short discussion of why the measured R_bulk is dominated by the bulk (e.g., comparison with the compressibility gap or a control on a metallic state) would improve clarity.
  4. [Kondo lattice physics] The estimate g μ_B B_c0/k_B ≈ 60 K uses g≈10 without a direct measurement; please indicate whether this g-factor is taken from prior literature and how the uncertainty affects the comparison with T*.
  5. [General typesetting] The notation for resistances (e.g., 𝑅##, 𝑅5678) contains typographical artifacts in the typeset text; equations and symbols should be cleaned up before submission.

Circularity Check

0 steps flagged · score 1.0 of 10

No significant circularity: the TKI claim combines direct transport and compressibility measurements with a parameter-free nonlocal edge-state model; reliance on prior same-group experimental work for the Kondo-lattice phase assignments is published, externally falsifiable support, not a circular reduction.

full rationale

The paper's derivation chain is: identify the Kondo lattice region from the electrostatics phase diagram, demonstrate Kondo lattice physics via temperature and field dependent transport, then show at ν=1+1 an insulating bulk with helical edge transport. Each load-bearing step is supported by direct measurements rather than by fitting the target claim. The Kondo lattice signatures (T* saturation near 30 K, A coefficient scaling, Kondo breakdown field B_c0 near 11 T, Hall density jump by one moiré density, emergence of SdH oscillations) are measured in this paper. The insulating bulk at ν=1+1 is shown by bulk resistance and penetration capacitance, with the charge gap obtained by direct integration of the capacitance dip. The helical edge state claim is supported by local R_xx near h/e², and by nonlocal resistances whose predicted values (R_2;1,9 = 2h/5e² and R_9;8,9 ≈ -R_1;2,9 = h/5e²) follow analytically from a Landauer-Büttiker equivalent circuit with no fitted parameters; the measured ratios match. The anisotropic magnetoresistance (cusp under in-plane field, negligible under out-of-plane field) is an independent signature. The main vulnerability is that the assignment of ν_f=1 and ν_c=1 at B=0 in the Kondo lattice region is extrapolated from the B=14 T phase boundaries, as the paper states: 'no clear phase boundaries can be identified at B_z=0 T because of the Kondo coupling in this region.' This is a correctness risk about whether the gap is a Kondo gap versus a charge-transfer or single-particle gap, but it is not a circular reduction: the B=14 T boundaries come from published prior experiments (Refs 19,20) that are externally falsifiable, and the current paper does not define the TKI state in terms of those boundaries. There is no fitted parameter renamed as a prediction, no self-citation invoked as an unverified uniqueness theorem, and no known result merely relabeled. The absence of a continuous field-dependence of the gap across B_c0 weakens the Kondo-gap interpretation but does not make the derivation self-referential.

Assumptions & free parameters 6 free parameters · 5 assumptions · 0 invented entities

The central claim rests on the electrostatic phase diagram and per-layer filling assignments inherited from prior work by the same groups (Refs 19, 20, 33), and on extracted phenomenological scales (T*, B_c, gap) rather than from an ab initio derivation. No new physical entities are postulated.

free parameters (6)
  • Kondo coherence temperature T* = ≈30 K in the ν_c→1 limit
    Extracted from the resistance crossover (slope change) in Fig 3a and Extended Data Fig 2; used to argue Kondo singlets form below T*.
  • Kadowaki-Woods coefficient A = decreases with ν_c, with A ∝ 1/T* roughly
    Fitted to R_xx = R_0 + A T² in the Fermi liquid regime (Fig 3a, Extended Data Fig 2); used to infer enhanced quasiparticle mass.
  • Critical magnetic field B_c = ≈11 T at ν_c→1
    Extracted from R_xx(B) maxima and Hall sign change (Fig 3c-f); used to identify the Kondo breakdown field at ν=1+1.
  • Landé g-factor = ≈10
    Taken from prior literature on MoTe2 (not measured here); converts B_c to Zeeman energy for comparison with T*.
  • Bulk charge gap at ν=1+1 = ≈1 meV
    Obtained by integrating the penetration capacitance peak (Fig 4c); supports the insulating bulk claim.
  • W-layer hole effective mass = ≈0.5 m_e
    Extracted from SdH oscillations at B=14 T (Extended Data Fig 3); characterizes the itinerant band after Kondo breakdown.
assumptions (5)
  • standard math Landauer-Büttiker formalism with one h/e² resistor per edge describes the nonlocal transport in the device with contacts equilibrating counter-propagating channels.
    Invoked in Methods and Fig 4d to derive the predicted nonlocal resistances R_nl,1-9 = 2h/5e² and R_9-8 = -R_1-2 = h/5e².
  • domain assumption The MoTe2 upper valence moiré band forms a triangular lattice Mott insulator with local moments at ν_f=1, and the WSe2 band is a dispersive itinerant band; the interlayer hybridization V is topologically nontrivial.
    Based on previous DFT (Ref 22) and experiments (Refs 19-21, 33) by the same groups; the present paper relies on this assignment for the Kondo lattice region.
  • domain assumption Spin-Sz is a good quantum number in the absence of in-plane magnetic field, protecting helical edge states; an in-plane field induces backscattering.
    Used in Fig 4e,f and Fig 5c,d to interpret the anisotropic magnetoresistance as evidence of helical edges.
  • ad hoc to paper The 'bulk geometry' conductance gives a proxy for the bulk resistance with negligible edge contribution.
    The bulk geometry (Fig 1g) is introduced in this work and used to claim an insulating bulk; its ability to exclude edge contributions is not independently calibrated.
  • domain assumption The Kondo breakdown at B_c is interpreted as the Zeeman energy exceeding the Kondo scale, using g≈10 from prior literature.
    Used to connect B_c≈11 T to a Zeeman energy ~60 K comparable to T*≈30 K; the g-factor is not measured here.

how reviews work

0 comments
Cite this review

Pith. "Pith review of Evidence of topological Kondo insulating state in MoTe2/WSe2 moir\'e bilayers." pith.science (2026). https://pith.science/paper/XVMQK5RS

@misc{pith2026250703287,
  author       = {Pith},
  title        = {Pith review of: Evidence of topological Kondo insulating state in MoTe2/WSe2 moir\'e bilayers},
  year         = {2026},
  howpublished = {\url{https://pith.science/paper/XVMQK5RS}},
  note         = {Machine review of arXiv:2507.03287}
}
read the original abstract

Topological Kondo insulators (TKIs) are topologically protected insulating states induced not by single-particle band inversions, but by the Kondo interaction between itinerant electrons and a lattice of local magnetic moments. Although experiments have suggested the emergence of three-dimensional (3D) TKIs in the rare earth compound SmB6, its two-dimensional (2D) counterpart has not been demonstrated to date. Here we report experimental evidence of a TKI in angle-aligned MoTe2/WSe2 moir\'e bilayers, which support a Kondo lattice with topologically nontrivial Kondo interactions. We prepare in a dual-gated device a triangular lattice Mott insulator in the MoTe2 layer Kondo-coupled to a half-filled itinerant band in the WSe2 layer. Combined transport and compressibility measurements show that the prepared state supports metallic transport at high temperatures and, at low temperatures, an insulating bulk with conducting helical edge states protected by spin-Sz conservation. The presence of Kondo singlets is further evidenced by their breakdown at high magnetic fields. Such behaviors are in stark contrast to the simple metallic state when the Mott insulator in the MoTe2 layer is depleted by gating. Our results open the door for exploring tunable topological Kondo physics in moir\'e materials.

Discussion (0). Sign in to comment.

Forward citations

Cited by 1 Pith paper

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

  1. Emergent Quantum Valley Hall Insulator from Electron Interactions in Transition-Metal Dichalcogenide Heterobilayers

    cond-mat.mes-hall 2025-12 unverdicted novelty 5.0 of 10

    Long-range electron interactions in MoTe2/WSe2 heterobilayers at filling v=2 generate a robust Quantum Valley Hall Insulator, with competition between s-wave and p±ip-wave states and a Zeeman-field-induced Quantum Ano...

Reference graph

Works this paper leans on

15 extracted references · 14 canonical work pages · cited by 1 Pith paper

  1. [4]

    (9) Kim, D.; Thomas, S.; Grant, T.; Botimer, J.; Fisk, Z.; Xia, J

    Physical Review B—Condensed Matter and Materials Physics 2013, 88 (18), 180405. (9) Kim, D.; Thomas, S.; Grant, T.; Botimer, J.; Fisk, Z.; Xia, J. Surface Hall effect and nonlocal transport in SmB6: evidence for surface conduction. Scientific reports 2013, 3 (1),

    work page 2013

  2. [5]

    (11) Neupane, M.; Alidoust, N.; Xu, S.; Kondo, T.; Ishida, Y.; Kim, D.-J.; Liu, C.; Belopolski, I.; Jo, Y.; Chang, T.-R

    Physical Review X 2013, 3 (1), 011011. (11) Neupane, M.; Alidoust, N.; Xu, S.; Kondo, T.; Ishida, Y.; Kim, D.-J.; Liu, C.; Belopolski, I.; Jo, Y.; Chang, T.-R. Surface electronic structure of the topological Kondo-insulator candidate correlated electron system SmB6. Nature communications 2013, 4 (1),

    work page 2013

  3. [6]

    (8) Wolgast, S.; Kurdak, Ç.; Sun, K.; Allen, J.; Kim, D.-J.; Fisk, Z

    Physical review letters 2012, 109 (9), 096601. (8) Wolgast, S.; Kurdak, Ç.; Sun, K.; Allen, J.; Kim, D.-J.; Fisk, Z. Low-temperature surface conduction in the Kondo insulator SmB

    work page 2012

  4. [35]

    As observed in Fig

    In our device, the main device channel has a dimension of 14×2 𝜇𝑚'; the separation between adjacent electrodes is 2 𝜇𝑚. As observed in Fig. 4d, the diffusive bulk transport away from 𝜈=2 results in a negligible contribution to the nonlocal resistances; only the extended edge channels at 𝜈=2 contribute to the nonlocal signals. The nonlocal edge state trans...

    work page

  5. [41]

    M.; Allen, J

    (5) Martin, R. M.; Allen, J. Theory of mixed valence: Metals or small gap insulators. Journal of Applied Physics 1979, 50 (B11), 7561-7566. (6) Varma, C. Mixed-valence compounds. Reviews of Modern physics 1976, 48 (2),

    work page 1979

  6. [1048]

    Heavy fermions: Electrons at the edge of magnetism

    (40) Coleman, P. Heavy fermions: Electrons at the edge of magnetism. arXiv preprint cond-mat/0612006

    arXiv

  7. [1220]

    Low-temperature conductivity of weakly interacting quantum spin Hall edges in strained-layer InAs/GaInSb

    (52) Li, T.; Wang, P.; Sullivan, G.; Lin, X.; Du, R.-R. Low-temperature conductivity of weakly interacting quantum spin Hall edges in strained-layer InAs/GaInSb. Physical Review B 2017, 96 (24), 241406. (53) Wang, L.; Meric, I.; Huang, P.; Gao, Q.; Gao, Y.; Tran, H.; Taniguchi, T.; Watanabe, K.; Campos, L.; Muller, D. One-dimensional electrical contact to...

    work page 2017

  8. [2006]

    (41) Kang, K.; Shen, B.; Qiu, Y.; Zeng, Y.; Xia, Z.; Watanabe, K.; Taniguchi, T.; Shan, J.; Mak, K. F. Evidence of the fractional quantum spin Hall effect in moiré MoTe2. Nature 2024, 628 (8008), 522-526. (42) Kang, K.; Qiu, Y.; Watanabe, K.; Taniguchi, T.; Shan, J.; Mak, K. F. Double Quantum Spin Hall Phase in Moiré WSe2. Nano Letters 2024, 24 (46), 1490...

    work page 2024

Show all 15 references
  1. [2007]

    (50) Haldane, F. D. M. 'Luttinger liquid theory'of one-dimensional quantum fluids. I. Properties of the Luttinger model and their extension to the general 1D interacting spinless Fermi gas. Journal of Physics C: Solid State Physics 1981, 14 (19),

    1981

  2. [2015]

    Four-terminal phase-coherent conductance

    (61) Büttiker, M. Four-terminal phase-coherent conductance. Physical review letters 1986, 57 (14),

    1986

  3. [2024]

    P.; Crépel, V.; Cano, J.; Pixley, J

    (28) Guerci, D.; Lucht, K. P.; Crépel, V.; Cano, J.; Pixley, J. H.; Millis, A. Topological Kondo semimetal and insulator in AB-stacked heterobilayer transition metal dichalcogenides. Physical Review B 2024, 110 (16), 165128. (29) Guerci, D.; Wang, J.; Zang, J.; Cano, J.; Pixle...

    2024

  4. [2585]

    (51) Kane, C.; Fisher, M. P. Transport in a one-channel Luttinger liquid. Physical review letters 1992, 68 (8),

    1992

  5. [2991]

    K.; Dil, J.; Dhaka, R.; Landolt, G.; Muff, S.; Matt, C.; Shi, X.; Plumb, N.; Radović, M

    (12) Xu, N.; Biswas, P. K.; Dil, J.; Dhaka, R.; Landolt, G.; Muff, S.; Matt, C.; Shi, X.; Plumb, N.; Radović, M. Direct observation of the spin texture in SmB6 as evidence of the topological Kondo insulator. Nature communications 2014, 5 (1),

    2014

  6. [3088]

    A.; Kometter, C.; Zhou, H.; Spanton, E.; Taniguchi, T.; Watanabe, K.; Zaletel, M.; Young, A

    (59) Zibrov, A. A.; Kometter, C.; Zhou, H.; Spanton, E.; Taniguchi, T.; Watanabe, K.; Zaletel, M.; Young, A. Tunable interacting composite fermion phases in a half-filled bilayer-graphene Landau level. Nature 2017, 549 (7672), 360-364. (60) Pavarini, E.; Coleman, P.; Koch, E. ...

    2017

  7. [4566]

    Topological surface state in the Kondo insulator samarium hexaboride

    (13) Kim, D.-J.; Xia, J.; Fisk, Z. Topological surface state in the Kondo insulator samarium hexaboride. Nature materials 2014, 13 (5), 466-470. (14) Andrei, E. Y.; Efetov, D. K.; Jarillo-Herrero, P.; MacDonald, A. H.; Mak, K. F.; Senthil, T.; Tutuc, E.; Yazdani, A.; Young, A....

    2014 arXiv

Pith tools

Reviewed August 6, 2026 · model on record in the stance chip above.