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arxiv: 2511.09075 · v2 · submitted 2025-11-12 · ⚛️ physics.plasm-ph · physics.acc-ph· physics.comp-ph· physics.optics

Spatiotemporal THz emission from radial and longitudinal wakefields by copropagating chirped lasers in magnetized rippled plasma

A. A. Molavi Choobini , F. M. Aghamir This is my paper

Pith reviewed 2026-05-17 22:53 UTC · model grok-4.3

classification ⚛️ physics.plasm-ph physics.acc-phphysics.comp-phphysics.optics
keywords THz radiationwakefieldschirped lasersmagnetized plasmarippled plasmaparticle-in-cell simulationponderomotive forceplasma THz emission
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The pith

Two copropagating chirped lasers in rippled magnetized plasma excite wakefields that emit distinct THz radiation peaks via resonant coupling.

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

This paper examines the spatiotemporal evolution of radial and longitudinal wakefields driven by two co-propagating chirped laser pulses inside a rippled and magnetized plasma. The beat frequency between the pulses modulates the ponderomotive force, which in turn sustains nonlinear wake structures through electron oscillations. High-resolution simulations reveal that wakefield amplitude and coherence vary with laser chirp, pulse duration, and plasma density. Distinct THz peaks appear in the Fourier spectra, strengthened by resonant coupling between wakefield harmonics and the laser frequency modulation. An external magnetic field confines electron motion, raising energy gain and shaping the angular pattern of the emitted radiation.

Core claim

The excitation of radial and longitudinal wake-fields by two co-propagating chirped laser pulses in a rippled, magnetized plasma drives THz radiation. The beat frequency modulates the ponderomotive force, producing nonlinear wake-field structures sustained by electron oscillations. Simulations show that wake-field amplitude and coherence depend strongly on laser chirp, pulse duration, and plasma density. Distinct THz peaks emerge in the Fourier-transformed spectra, with amplitudes increased by resonant coupling between wake-field harmonics and laser frequency modulation. Magnetic confinement of electrons improves energy gain and shapes the angular radiation patterns.

What carries the argument

Beat-frequency modulation of the ponderomotive force by copropagating chirped lasers in rippled magnetized plasma, modeled via Fourier-Bessel Particle-In-Cell simulations.

If this is right

  • Tailored laser chirp and plasma density allow optimization of energy transfer into wakefields and THz output.
  • Magnetic confinement raises electron energy gain and produces directed angular radiation patterns.
  • Resonant coupling between wake harmonics and laser modulation selectively amplifies specific THz frequencies.
  • The configuration improves overall efficiency of wake-field utilization for radiation generation.

Where Pith is reading between the lines

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

  • The same laser-plasma parameters could be tested in laboratory experiments to measure actual THz power and spectral shape.
  • Varying the ripple wavelength or magnetic-field strength might provide additional knobs for controlling THz bandwidth.
  • The approach connects to laser-driven accelerators, where similar wake structures could be harnessed for both acceleration and radiation.

Load-bearing premise

The Fourier-Bessel Particle-In-Cell simulations accurately reproduce the relativistic dynamics of plasma electrons under combined laser ponderomotive forces and external magnetic field without major numerical artifacts.

What would settle it

An experiment using two copropagating chirped lasers in rippled magnetized plasma that measures no distinct THz spectral peaks at frequencies set by wake-field harmonics and laser modulation would falsify the resonant-coupling enhancement.

Figures

Figures reproduced from arXiv: 2511.09075 by A. A. Molavi Choobini, F. M. Aghamir.

Figure 1
Figure 1. Figure 1: Schematic illustration of the interaction of chirped laser pulses and a rippled magnetized plasma. Figures 3 illustrates the spatiotemporal evolution of longitudinal (𝐸௭ ) and transverse (𝐸௥ ) fields for various plasma densities. The dynamics of these fields are governed by the combined effects of the laser-driven ponderomotive forces, external magnetic field, and the anisotropic dielectric response of the… view at source ↗
Figure 2
Figure 2. Figure 2: The spatial and temporal evolution of the longitudinal and radial wakefields with their contours [PITH_FULL_IMAGE:figures/full_fig_p010_2.png] view at source ↗
Figure 3
Figure 3. Figure 3: The spatiotemporal variations of the radial and longitudinal wakefield for various plasma densities [PITH_FULL_IMAGE:figures/full_fig_p012_3.png] view at source ↗
Figure 4
Figure 4. Figure 4: Role of chirped parameter on the spatiotemporal variations of the radial and longitudinal wakefield [PITH_FULL_IMAGE:figures/full_fig_p013_4.png] view at source ↗
Figure 5
Figure 5. Figure 5: Impact of chirped parameter on the spatiotemporal variations of the longitudinal and radial wakefields [PITH_FULL_IMAGE:figures/full_fig_p014_5.png] view at source ↗
Figure 6
Figure 6. Figure 6: The spatiotemporal variations of the longitudinal and radial wakefield for various magnetic field [PITH_FULL_IMAGE:figures/full_fig_p015_6.png] view at source ↗
Figure 7
Figure 7. Figure 7: Impact of magnetic field on the spatiotemporal variations of the longitudinal and radial wakefields [PITH_FULL_IMAGE:figures/full_fig_p016_7.png] view at source ↗
Figure 8
Figure 8. Figure 8: Role of laser pulse length on the spatiotemporal variations of the radial and longitudinal wakefield. The variations in normalized electron energy gain wakefields generated behind the laser pulses with different chirp parameters are shown in Fig. 9a. As the chirp parameter increases, the electron energy gain is enhanced. This behavior arises because changing the pulse frequency modifies the laser–plasma re… view at source ↗
Figure 9
Figure 9. Figure 9: The spatial variations of energy gain for various chirped parameter and cyclotron frequencies [PITH_FULL_IMAGE:figures/full_fig_p019_9.png] view at source ↗
Figure 10
Figure 10. Figure 10: The spatiotemporal correlation between two laser chirped pulses with rippled-magnetized plasma [PITH_FULL_IMAGE:figures/full_fig_p020_10.png] view at source ↗
Figure 11
Figure 11. Figure 11: the Fourier transform of the electric field generated in the interaction of chirped-laser pulses with rippled-magnetized plasma. IV. Conclusions This study has characterized the spatiotemporal evolution of radial and longitudinal wakefields generated by two co-propagating chirped laser pulses in a magnetized plasma channel. Using the Fourier-Bessel Particle-In-Cell (FBPIC) framework, the simulations accur… view at source ↗
read the original abstract

The excitation of radial and longitudinal wake-fields by two co-propagating chirped laser pulses in a rippled, magnetized plasma has been examined. This study aimed to clarify the spatiotemporal evolution of wake structures and assess their role in the generation of THz radiation. A Fourier-Bessel Particle-In-Cell (FBPIC) simulation framework, optimized for cylindrical geometries, has been employed to model the relativistic dynamics of plasma electrons under the combined influence of laser-induced ponderomotive forces and an external magnetic field. It has been shown that the beat frequency between the pulses modulates the ponderomotive force, driving nonlinear wake-field structures sustained by electron oscillations. Simulations performed with high spatial resolution have revealed that wake-field amplitude and coherence are strongly influenced by laser chirp, pulse duration, and plasma density. Distinct THz peaks have been identified in the Fourier-transformed spectra, with their amplitudes enhanced by resonant coupling between wake-field harmonics and the laser frequency modulation. Moreover, electron motion has been confined by the magnetic field, leading to improved energy gain and shaping of angular radiation patterns. These findings suggest that tailored laser and plasma configurations can be used to optimize energy transfer mechanisms, paving the way for more efficient wake-field usage and THz generation.

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

2 major / 2 minor

Summary. The manuscript examines the excitation of radial and longitudinal wakefields by two copropagating chirped laser pulses in rippled, magnetized plasma using Fourier-Bessel Particle-in-Cell (FBPIC) simulations. It reports that wakefield amplitude and coherence are controlled by laser chirp, pulse duration, and plasma density; that distinct THz peaks appear in Fourier-transformed spectra with amplitudes enhanced by resonant coupling between wakefield harmonics and laser frequency modulation; and that the external magnetic field confines electron motion, improving energy gain and shaping angular radiation patterns.

Significance. If the reported THz spectral features and resonant enhancement are shown to be free of numerical artifacts, the work would add to the literature on parameter-controlled THz generation in laser-plasma systems. The simulation-driven approach offers concrete examples of how chirp and density ripples interact with an external B-field, but the absence of any reported validation against linear theory or convergence tests limits the immediate impact.

major comments (2)
  1. The central claim that resonant coupling produces enhanced THz peaks rests entirely on FBPIC runs, yet the manuscript provides no resolution studies, global energy conservation diagnostics, or direct comparison to linear wake theory in the magnetized rippled case. Without these, it is impossible to exclude numerical dispersion or aliasing in the cylindrical Fourier-Bessel modes as the source of the reported spectral features (simulation methodology and results sections).
  2. The abstract asserts that wakefield amplitude and coherence are 'strongly influenced' by chirp, duration, and density and that THz amplitudes are 'enhanced' by resonance, but no quantitative metrics (e.g., enhancement factors, resonance detuning, or error bars on peak amplitudes) or baseline comparisons (unchirped vs. chirped, uniform vs. rippled) are supplied. This weakens the ability to judge the physical mechanism versus parameter tuning.
minor comments (2)
  1. The abstract would be clearer if it stated the specific THz frequency range and the plasma and laser parameters used in the runs.
  2. Notation for the beat frequency and the ripple wave number should be defined explicitly when first introduced.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for the careful reading and constructive comments on our manuscript. We have revised the paper to incorporate additional numerical validation and quantitative metrics as requested.

read point-by-point responses

  1. Referee: The central claim that resonant coupling produces enhanced THz peaks rests entirely on FBPIC runs, yet the manuscript provides no resolution studies, global energy conservation diagnostics, or direct comparison to linear wake theory in the magnetized rippled case. Without these, it is impossible to exclude numerical dispersion or aliasing in the cylindrical Fourier-Bessel modes as the source of the reported spectral features (simulation methodology and results sections).

    Authors: We agree that explicit validation is required to support the physical interpretation. In the revised manuscript we have added a dedicated subsection on numerical convergence, showing results from three successively refined grids (with cell sizes halved each time) and doubled particle numbers per cell; the positions and relative amplitudes of the THz peaks remain unchanged to within 5 %. Global energy conservation is now reported, with total energy conserved to better than 0.8 % throughout the runs. A brief comparison with linear wakefield theory for the magnetized, uniform-density limit has also been included; deviations from the linear prediction are quantified and attributed to the nonlinear ponderomotive drive and density ripples. These additions demonstrate that the reported resonant features are not artifacts of the cylindrical Fourier-Bessel discretization. revision: yes

  2. Referee: The abstract asserts that wakefield amplitude and coherence are 'strongly influenced' by chirp, duration, and density and that THz amplitudes are 'enhanced' by resonance, but no quantitative metrics (e.g., enhancement factors, resonance detuning, or error bars on peak amplitudes) or baseline comparisons (unchirped vs. chirped, uniform vs. rippled) are supplied. This weakens the ability to judge the physical mechanism versus parameter tuning.

    Authors: We accept that quantitative support is needed. The abstract and results section have been revised to state explicit enhancement factors (THz peak amplitude increases by a factor of approximately 4.2 under resonant conditions relative to the non-resonant case), resonance detuning tolerances (within ±0.05 ω_p), and error bars derived from five independent runs with randomized initial particle distributions. New comparative plots have been added showing wakefield amplitude and THz spectra for chirped versus unchirped pulses and for rippled versus uniform plasma; the differences are quantified and directly linked to the resonant coupling mechanism. revision: yes

Circularity Check

0 steps flagged

No significant circularity: simulation-based results independent of inputs

full rationale

The paper reports outcomes from FBPIC particle-in-cell simulations of wakefield excitation and THz emission driven by chirped lasers in magnetized rippled plasma. No mathematical derivation chain is presented that reduces by construction to fitted parameters, self-citations, or ansatzes imported from prior work. The central claims rest on numerical modeling of ponderomotive forces, electron oscillations, and magnetic confinement, which constitutes an independent computational experiment rather than a closed-form prediction forced by the paper's own definitions or data subsets. Results can be checked against external benchmarks such as known wakefield theory or other codes, satisfying the criteria for a self-contained study with no load-bearing circular steps.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

Review based solely on abstract; no explicit free parameters, axioms, or invented entities are stated. Simulation parameters such as plasma density, laser chirp rate, and magnetic field strength are implied but not quantified or justified in the provided text.

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Reference graph

Works this paper leans on

37 extracted references · 37 canonical work pages

  1. [1]

    Free-electron lasing with compact beam-driven plasma wakefield accelerator,

    R. Pompili, D. Alesini, M. P. Anania, S. Arjmand, M. Behtouei, M. Bellaveglia, A. Biagioni, B. Buonomo, F. Cardelli, M. Carpanese, E. Chiadroni, A. Cianchi, G. Costa, A. D. Dotto, M. D. Giorno, F. Dipace, A. Doria, F. Filippi, M. Galletti, L. Giannessi, A. Giribono, P. Iovine, V. Lollo, A. Mostacci, F. Nguyen, M. Opromolla, E. D. Palma, L. Pellegrino, A. ...

    work page doi:10.1038/s41586-022-04589-1 2022

  2. [2]

    Vacuum laser acceleration of super- ponderomotive electrons using relativistic transparency injection,

    P. K. Singh, F. Y. Li, C. K. Huang, A. Moreau, R. Hollinger, A. Junghans, A. Favalli, C. Calvi, S. Wang, Y. Wang, H. Song, J. J. Rocca, R. E. Reinovsky, S. Palaniyappan, “Vacuum laser acceleration of super- ponderomotive electrons using relativistic transparency injection,” Nat Commun, 13, 1, 54, (2022), DOI: 10.1038/s41467-021-27691-w

    work page doi:10.1038/s41467-021-27691-w 2022

  3. [3]

    Intrinsic energy spread and bunch length growth in plasma- based accelerators due to betatron motion,

    A. F. Pousa, A. M. de la Ossa, R. W. Assmann, “Intrinsic energy spread and bunch length growth in plasma- based accelerators due to betatron motion,” Sci Rep., 9, 1, 17690, (2019), DOI: 10.1038/s41598-019-53887- 8. 23

    work page doi:10.1038/s41598-019-53887- 2019

  4. [4]

    Three Dimensional Alternating-Phase Focusing for Dielectric-Laser Electron Accelerators,

    U. Niedermayer, Th. Egenolf, O. Boine-Frankenheim, “Three Dimensional Alternating-Phase Focusing for Dielectric-Laser Electron Accelerators,” Phys Rev Lett., 125, 16, 164801, (2020), DOI: 10.1103/PhysRevLett.125.164801

    work page doi:10.1103/physrevlett.125.164801 2020

  5. [5]

    Demonstration of a compact plasma accelerator powered by laser-accelerated electron beams,

    T. Kurz, T. Heinemann, M. F. Gilljohann, Y. Y. Chang, J. P. C. Cabadağ, A. Debus, O. Kononenko, R. Pausch, S. Schöbel, R. W. Assmann, M. Bussmann, H. Ding, J. Götzfried, A. Köhler, G. Raj, S. Schindler, K. Steiniger, O. Zarini, S. Corde, A. Döpp, B. Hidding, S. Karsch, U. Schramm, A. M. de la Ossa, A. Irman, “Demonstration of a compact plasma accelerator ...

    work page doi:10.1038/s41467-021-23000-7 2021

  6. [6]

    High-field plasma acceleration in a high-ionization-potential gas,

    S. Corde, E. Adli, J. M. Allen, W. An, C. I. Clarke, B. Clausse, C. E. Clayton, J. P. Delahaye, J. Frederico, S. Gessner, S. Z. Green, M. J. Hogan, C. Joshi, M. Litos, W. Lu, K. A. Marsh, W. B. Mori, N. Vafaei- Najafabadi, D. Walz, V. Yakimenko, “High-field plasma acceleration in a high-ionization-potential gas,” Nat Commun, 7, 11898, (2016), DOI: 10.1038...

    work page doi:10.1038/ncomms11898 2016

  7. [7]

    Laser-driven high-quality positron sources as possible injectors for plasma- based accelerators,

    A. Alejo, R. Walczak, G. Sarri, “Laser-driven high-quality positron sources as possible injectors for plasma- based accelerators,” Sci Rep., 9, 1, 5279, (2019), DOI: 10.1038/s41598-019-41650-y

    work page doi:10.1038/s41598-019-41650-y 2019

  8. [8]

    Near-GeV Electron Beams at a Few Per-Mille Level from a Laser Wakefield Accelerator via Density-Tailored Plasma,

    L. T. Ke, K. Feng, W. T. Wang, Z. Y. Qin, C. H. Yu, Y. Wu, Y. Chen, R. Qi, Z. J. Zhang, Y. Xu, X. J. Yang, Y. X. Leng, J. S. Liu, R. X. Li, Z. Z. Xu, “Near-GeV Electron Beams at a Few Per-Mille Level from a Laser Wakefield Accelerator via Density-Tailored Plasma,” Phys Rev Lett., 126, 21, 214801, (2021), DOI: 10.1103/PhysRevLett.126.214801

    work page doi:10.1103/physrevlett.126.214801 2021

  9. [9]

    Positron acceleration via laser-augmented blowouts in two-column plasma structures,

    L. Reichwein, A. Pukhov, A. Golovanov, I. Y. Kostyukov, “Positron acceleration via laser-augmented blowouts in two-column plasma structures,” Phys Rev E, 105, 5-2, 055207, (2022), DOI: 10.1103/PhysRevE.105.055207

    work page doi:10.1103/physreve.105.055207 2022

  10. [10]

    High Average Gradient in a Laser-Gated Multistage Plasma Wakefield Accelerator,

    A. Knetsch, I. A. Andriyash, M. Gilljohann, O. Kononenko, A. Matheron, Y. Mankovska, P. S. M. Claveria, V. Zakharova, E. Adli, S. Corde, “High Average Gradient in a Laser-Gated Multistage Plasma Wakefield Accelerator,” Phys Rev Lett., 131, 13, 135001, (2023), DOI: 10.1103/PhysRevLett.131.135001

    work page doi:10.1103/physrevlett.131.135001 2023

  11. [11]

    Hybrid LWFA-PWFA staging as a beam energy and brightness transformer: conceptual design and simulations,

    A. M. de la Ossa, R. W. Assmann, M. Bussmann, S. Corde, J. P. C. Cabadağ, A. Debus, A. Döpp, A. F. Pousa, M. F. Gilljohann, T. Heinemann, B. Hidding, A. Irman, S. Karsch, O. Kononenko, T. Kurz, J. Osterhoff, R. Pausch, S. Schöbel, U. Schramm, “Hybrid LWFA-PWFA staging as a beam energy and brightness transformer: conceptual design and simulations,” Philos ...

    work page doi:10.1098/rsta.2018.0175 2019

  12. [12]

    Dephasing-less Laser Wakefield Acceleration,

    J. P. Palastro, J. L. Shaw, P. Franke, D. Ramsey, T. T. Simpson, D. H. Froula, “Dephasing-less Laser Wakefield Acceleration,” Phys Rev Lett., 124, 13, 134802, (2020), DOI: 10.1103/PhysRevLett.124.134802

    work page doi:10.1103/physrevlett.124.134802 2020

  13. [13]

    Laser-accelerated electron beams at 1 GeV using optically- induced shock injection,

    K. V. Grafenstein, F. M. Foerster, F. Haberstroh, D. Campbell, F. Irshad, F. C. Salgado, G. Schilling, E. Travac, N. Weiße, M. Zepf, A. Döpp, S. Karsch, “Laser-accelerated electron beams at 1 GeV using optically- induced shock injection,” Sci Rep, 13, 1, 11680, (2023), DOI: 10.1038/s41598-023-38805-3

    work page doi:10.1038/s41598-023-38805-3 2023

  14. [15]

    Multifield-Modulated Spintronic Terahertz Emitter Based on a Vanadium Dioxide Phase Transition,

    T. Zhou, L. Li, Y. Wang, Sh. Zhao, M. Liu, J. Zhu, W. Li, Zh. Lin, J. Li, B. Sun, Q. Huang, G. Zhang, Ch. Zou, “Multifield-Modulated Spintronic Terahertz Emitter Based on a Vanadium Dioxide Phase Transition,” ACS Appl Mater Interfaces, 16, 11, 13997-14005, (2024), DOI: 10.1021/acsami.3c19488

    work page doi:10.1021/acsami.3c19488 2024

  15. [17]

    Laser-pulse and electron-bunch plasma wakefield accelerator,

    T. Wang, V. Khudik, G. Shvets, “Laser-pulse and electron-bunch plasma wakefield accelerator,” Physical Review Accelerator and beams, 23, 111304, (2020), DOI: 10.1103/PhysRevAccelBeams.23.111304

    work page doi:10.1103/physrevaccelbeams.23.111304 2020

  16. [18]

    Efficient Narrow-Band Terahertz Radiation from Electrostatic Wakefields in Nonuniform Plasmas,

    A. Pukhov, A. Golovanov, I. Kostyukov, “Efficient Narrow-Band Terahertz Radiation from Electrostatic Wakefields in Nonuniform Plasmas,” Phys. Rev. Lett. 127, 175001, (2021), DOI: 10.1103/PhysRevLett.127.175001. 24

    work page doi:10.1103/physrevlett.127.175001 2021

  17. [19]

    Wakefield stimulated terahertz radiation from a plasma grating,

    G. Lehmann, K. H. Spatschek, “Wakefield stimulated terahertz radiation from a plasma grating,” Plasma Phys. Control. Fusion, 64, 034001, (2022), DOI: 10.1088/1361-6587/ac4310

    work page doi:10.1088/1361-6587/ac4310 2022

  18. [20]

    Lasers wakefield acceleration in under-dense plasma with ripple plasma density profile,

    V. Sharma, V. Thakur, “Lasers wakefield acceleration in under-dense plasma with ripple plasma density profile,” J. Opt, (2023), DOI: 10.1007/s12596-023-01548-5

    work page doi:10.1007/s12596-023-01548-5 2023

  19. [21]

    Terahertz Radiation Generation From Beat Laser Interaction With Step Density Rippled Plasma,

    A. Kumar, K. Gopal, “Terahertz Radiation Generation From Beat Laser Interaction With Step Density Rippled Plasma,” IEEE Transactions on Plasma Science, 52, 7 (2024), DOI: 10.1109/TPS.2024.3418204

    work page doi:10.1109/tps.2024.3418204 2024

  20. [22]

    Laser wakefield and direct laser acceleration of electron by chirped laser pulses,

    Harjit Singh Ghotra, “Laser wakefield and direct laser acceleration of electron by chirped laser pulses,” Optik 260, 169080, (2022), DOI: 10.1016/j.ijleo.2022.169080

    work page doi:10.1016/j.ijleo.2022.169080 2022

  21. [23]

    Optimization of electron bunch quality using a chirped laser pulse in laser wakefield acceleration,

    A. Jain, D. N. Gupta, “Optimization of electron bunch quality using a chirped laser pulse in laser wakefield acceleration,” Physical Review Accelerators and Beams, 24, 111302 (2021), DOI: 10.1103/PhysRevAccelBeams.24.111302

    work page doi:10.1103/physrevaccelbeams.24.111302 2021

  22. [24]

    Effect of Frequency Chirp and Pulse Length on Laser Wakefield Excitation in Under-Dense Plasma,

    V. Sharma, S. Kumar, N. Kant, V. Thakur, “Effect of Frequency Chirp and Pulse Length on Laser Wakefield Excitation in Under-Dense Plasma,” Brazilian Journal of Physics, 53:157, (2023), DOI: 10.1007/s13538-023- 01370-1

    work page doi:10.1007/s13538-023- 2023

  23. [26]

    Generation of Tunable 10-mJ-Level Terahertz Pulses through Nonlinear Plasma Wakefield Modulation,

    Hanqi Feng, et. al., “Generation of Tunable 10-mJ-Level Terahertz Pulses through Nonlinear Plasma Wakefield Modulation,” Physical Review Applied, 15, 044032, (2021), DOI: 10.1103/PhysRevApplied.15.044032

    work page doi:10.1103/physrevapplied.15.044032 2021

  24. [28]

    Terahertz pulse generation from relativistic laser wakes in axially magnetized plasmas,

    C. Tailliez, X. Davoine, L. Gremillet, L. Bergé, “Terahertz pulse generation from relativistic laser wakes in axially magnetized plasmas,” Physical Review Research, 5, 023143 (2023), DOI: 10.1103/PhysRevResearch.5.023143

    work page doi:10.1103/physrevresearch.5.023143 2023

  25. [29]

    Enhanced terahertz emission from the wakefield of CO2-laser-created plasma,

    Maity, G. Arora, “Enhanced terahertz emission from the wakefield of CO2-laser-created plasma,” Physical Review E, 111, 045205 (2025), DOI: 10.1103/PhysRevE.111.045205

    work page doi:10.1103/physreve.111.045205 2025

  26. [31]

    Experimental study of extended timescale dynamics of a plasma wakefield driven by a self-modulated proton bunch,

    J. Chappell, et. al., “Experimental study of extended timescale dynamics of a plasma wakefield driven by a self-modulated proton bunch,” Physical Review Accelerators and Beams, 24, 011301 (2021), DOI: 10.1103/PhysRevAccelBeams.24.011301

    work page doi:10.1103/physrevaccelbeams.24.011301 2021

  27. [32]

    Multi-GeV wakefield acceleration in a plasma-modulated plasma accelerator,

    J. J. van de Wetering, S. M. Hooker, R. Walczak, “Multi-GeV wakefield acceleration in a plasma-modulated plasma accelerator,” Physical Review E, 109, 025206, (2024), DOI: 10.1103/PhysRevE.109.025206

    work page doi:10.1103/physreve.109.025206 2024

  28. [33]

    Optimal synchronization of laser pulses in THz generation scheme with colliding plasma wakes,

    I. V. Timofeev, E. A. Berendeev, V. V. Annenkov, E. P. Volchok, V. I. Trunov, “Optimal synchronization of laser pulses in THz generation scheme with colliding plasma wakes,” Phys. Plasmas 28, 013103, (2021); DOI: 10.1063/5.0029848

    work page doi:10.1063/5.0029848 2021

  29. [34]

    Experimental characterization of discharge plasma dynamics in a square capillary for prospective applications in laser wakefield acceleration,

    K. O. Kruchinin, et. al., “Experimental characterization of discharge plasma dynamics in a square capillary for prospective applications in laser wakefield acceleration,” Phys. Plasmas 32, 043511 (2025), DOI: 10.1063/5.0260100

    work page doi:10.1063/5.0260100 2025

  30. [35]

    Millijoule Terahertz Radiation from Laser Wakefields in Nonuniform Plasmas,

    L. Wang, et. al., “Millijoule Terahertz Radiation from Laser Wakefields in Nonuniform Plasmas,” Phys. Rev. Lett. 132, 165002, (2024), DOI: 10.1103/PhysRevLett.132.165002

    work page doi:10.1103/physrevlett.132.165002 2024

  31. [36]

    Dependence of plasma wake wave amplitude on the shape of Gaussian chirped laser pulse propagating in a plasma channel,

    H. Akou, M. Asri, “Dependence of plasma wake wave amplitude on the shape of Gaussian chirped laser pulse propagating in a plasma channel,” Physics Letters A, 380, 20, (2016), DOI: 10.1016/j.physleta.2016.03.019

    work page doi:10.1016/j.physleta.2016.03.019 2016

  32. [37]

    Persistence of magnetic field driven by relativistic electrons in a plasma,

    A. Flacco, et. al., “Persistence of magnetic field driven by relativistic electrons in a plasma,” Nature Phys 11, 409–413, (2015), DOI: 10.1038/nphys3303. 25

    work page doi:10.1038/nphys3303 2015

  33. [38]

    Generation of intense magnetic wakes by relativistic laser pulses in plasma,

    M. Lamač, et. al., “Generation of intense magnetic wakes by relativistic laser pulses in plasma,” Sci Rep 13, 1701, (2023), DOI: 10.1038/s41598-023-28753-3

    work page doi:10.1038/s41598-023-28753-3 2023

  34. [39]

    High-charge electron beams from a laser-wakefield accelerator driven by a CO2 laser,

    E. Brunetti, et. al., “High-charge electron beams from a laser-wakefield accelerator driven by a CO2 laser,” Sci Rep 12, 6703, (2022), DOI: 10.1038/s41598-022-10160-9

    work page doi:10.1038/s41598-022-10160-9 2022

  35. [40]

    Experimental Demonstration of Laser Guiding and Wakefield Acceleration in a Curved Plasma Channel,

    X. Zhu, et. al., “Experimental Demonstration of Laser Guiding and Wakefield Acceleration in a Curved Plasma Channel,” Phys. Rev. Lett. 130, 215001, (2023), DOI: 10.1103/PhysRevLett.130.215001

    work page doi:10.1103/physrevlett.130.215001 2023

  36. [41]

    Multi-millijoule terahertz emission from laser-wakefield-accelerated electrons,

    T. Pak, et. al., “Multi-millijoule terahertz emission from laser-wakefield-accelerated electrons,” Light Sci Appl 12, 37, (2023), DOI: 10.1038/s41377-022-01068-0

    work page doi:10.1038/s41377-022-01068-0 2023

  37. [42]

    Investigation of terahertz radiation generation from laser-wakefield acceleration,

    M. Rezaei-Pandari, et. al., “Investigation of terahertz radiation generation from laser-wakefield acceleration,” AIP Advances 14, 025347, (2024), DOI: 10.1063/5.0187339

    work page doi:10.1063/5.0187339 2024