24 citations · 78 across the 11 of their papers we have counts for
11 papers
Amendment of the numerical dispersion in particle-in-cell methods for evaluation of charges of self-injected electron bunches in the laser wakefield acceleration
N. Pathak, A. Zhidkov, T. Hosokai
Total charge and energy evaluations for the electron beams generated in the laser wakefield acceleration (LWFA) is the primary step in the determination of the required target and…
Electron Beam Chirp Dexterity in Staging Laser Wakefield Acceleration
N. Pathak, A. Zhidkov, T. Hosokai
Particle energy chirp is shown to be a useful instrument in the staging laser wake field acceleration directed to generation of high-quality dense electron beams. The chirp is a ne…
Characterization of ionization injection in gas mixtures irradiated by sub-petawatt class laser pulses
A. Zhidkov, N. Pathak, J. Koga +3
Effects of ionization injection in low and high Z gas mixtures for the laser wake field acceleration of electrons are analyzed with the use of balance equations and particle-in-cel…
Charge coupling in multi-stage laser wakefield acceleration
N. Pathak, A. Zhidkov, Y. Sakai +2
The multi-stage technique for laser driven acceleration of electrons become a critical part of full-optical, jitter-free accelerators. Use of several independent laser drivers and…
Coupling Effects in Multi-Stage Laser Wake-field Acceleration of Electrons
Zhan Jin, Hirotaka Nakamura, Naveen Pathak +5
Staging laser wake-field acceleration is considered as a necessary technique for developing full-optical jitter-free electron accelerators. Splitting of the acceleration length int…
Effects of hole-boring and relativistic transparency on particle acceleration in overdense plasma irradiated by short multi-PW laser pulses
Masahiro Yano, Alexei Zhidkov, James Koga +2
Propagation of short and ultra-intense laser pulses in a semi-infinite space of overdense hydrogen plasma is analyzed via fully-relativistic, real geometry particle-in-cell (PIC) s…
Insight of breaking of powerful axisymmetrically-polarized laser pulses in under-dense plasma
Nobuhiko Nakanii, Tomonao Hosokai, Naveen C. Pathak +12
Interaction of axisymmetrically-polarized (radially or azimuthally-polarized), relativistically intense laser pulses (ALP) with under-dense plasma is shown experimentally to be dif…
Breaking symmetry in propagation of radially and azimuthally polarized high power laser pulses in underdense plasma
Naveen Pathak, Alexei Zhidkov, Nobuhiko Nakanii +3
Propagation of relativistically intense azimuthally or radially polarized laser pulses (RPP) in underdense plasmas is demonstrated to be unstable, via 3D particle-in-cell simulatio…
Radiation Reaction Effects in Cascade Scattering of Intense, Tightly Focused Laser Pulses by Relativistic Electrons
A. Zhidkov, S. Masuda, S. S. Bulanov +3
Non-linear cascade scattering of intense, tightly focused laser pulses by relativistic electrons is studied numerically in the classical approximation including the radiation dampi…
Nonlinear Plasma Wave in Magnetized Plasmas
Sergei V. Bulanov, Timur Zh. Esirkepov, Masaki Kando +4
Nonlinear axisymmetric cylindrical plasma oscillations in magnetized collisionless plasmas are a model for the electron fluid collapse on the axis behind an ultrashort relativisica…
Electron self-injection for the acceleration in laser-pulse-wakes in the presence of a `strong' external magnetic field
A. Zhidkov, T. Hosokai, S. Masuda +3
An external static magnetic field with its strength B~10T may result in the laser wake wave-breaking upon changing the electron motion in the vicinity of maximal density ramp of a…