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Author(s): J. E. Shrock, E. Rockafellow, B. Miao, M. Le, R. C. Hollinger, S. Wang, A. J. Gonsalves, A. Picksley, J. J. Rocca, and H. M. Milchberg We show that multi-GeV laser wakefield electron accelerators in meter-scale, low density hydrodynamic plasma waveguides operate in a new nonlinear propagation regime dominated by sustained beating of lowest order modes of the ponderomotively modified channel; this occurs whether or not the injected ...

Author(s): Fabio Bacchini, Vladimir Zhdankin, Evgeny A. Gorbunov, Gregory R. Werner, Lev Arzamasskiy, Mitchell C. Begelman, and Dmitri A. Uzdensky The largest 3D fully kinetic shearing-box simulations of pair-plasma magnetorotational turbulence which take into account the radiation reaction self-consistently show how particles can be accelerated efficiently to nonthermal energies independently of initial conditions. [Phys. Rev. Lett. 133, 045202...

Author(s): Ke Hu and Longqing Yi We propose utilizing a polarization-tailored high-power laser pulse to extract and accelerate electrons from the edge of a solid foil target to produce isolated subfemtosecond electron bunches. The laser pulse consists of two orthogonally polarized components with a time delay comparable to the puls… [Phys. Rev. Lett. 133, 045001] Published Tue Jul 23, 2024

Author(s): Francesca Di Mare and Gregory G. Howes Data analysis from the TRICE-2 sounding rocket in the auroral ionosphere revealed a regime of inertial Alfvén wave turbulence with properties distinct from heliospheric and solar wind plasma turbulence that allows the identification of features related to ionospheric plasma and turbulence cascade which are difficult to access in the laboratory. [Phys. Rev. Lett. 133, 045201] Published Mon Jul...

Author(s): L. Verra, M. Galletti, R. Pompili, A. Biagioni, M. Carillo, A. Cianchi, L. Crincoli, A. Curcio, F. Demurtas, G. Di Pirro, V. Lollo, G. Parise, D. Pellegrini, S. Romeo, G. J. Silvi, F. Villa, and M. Ferrario The space-charge field of a relativistic charged bunch propagating in plasma is screened due to the presence of mobile charge carriers. We experimentally investigate such screening by measuring the effect of dielectric wakefields...

Author(s): Jing-Huan Li, Xu-Zhi Zhou, Zhi-Yang Liu, Shan Wang, Anton V. Artemyev, Yoshiharu Omura, Xiao-Jia Zhang, Li Li, Chao Yue, Qiu-Gang Zong, Craig Pollock, Guan Le, and James L. Burch Wave-particle resonance, a ubiquitous process in the plasma universe, occurs when resonant particles observe a constant wave phase to enable sustained energy transfer. Here, we present spacecraft observations of simultaneous Landau and anomalous resonances...

Author(s): Omri Seemann, Yang Wan, Sheroy Tata, Eyal Kroupp, and Victor Malka The interaction between relativistic intense laser pulses and near-critical-density targets has been sought after in order to increase the efficiency of laser-plasma energy coupling, particularly for laser-driven proton acceleration. To achieve the density regime for high-repetition-rate application… [Phys. Rev. Lett. 133, 025001] Published Wed Jul 10, 2024