86 citations · 317 across the 21 of their papers we have counts for
21 papers
Relativistic reference frame PIC simulations for electron beam dynamics with meter-scale propagation inside plasma and under external fields
Driss Oumbarek Espinos, Alexei Zhidkov, Alexandre Rondepierre +2
Particle in cell simulations are widely used in most fields of physics to investigate known and new phenomena which cannot be directly observed or measured yet. However, the comput…
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…
Probing Space-time Distortion with Laser Wake Field Acceleration and X-ray Free Electron Lasers
Masahiro Yano, Alexei Zhidkov, Ryosuke Kodama
Petawatt class femtosecond lasers and x-ray free electron lasers (XFEL) open up a new page in research fields related to space and vacuum physics. One of fundamental principles can…
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…
On extreme field limits in high power laser matter interactions: radiation dominant regimes in high intensity electromagnetic wave interaction with electrons
Sergei V. Bulanov, Timur Zh. Esirkepov, Masaki Kando +6
We discuss the key important regimes of electromagnetic field interaction with charged particles. Main attention is paid to the nonlinear Thomson/Compton scattering regime with the…
On the design of experiments to study extreme field limits
S. S. Bulanov, M. Chen, C. B. Schroeder +13
We propose experiments on the collision of high intensity electromagnetic pulses with electron bunches and on the collision of multiple electromagnetic pulses for studying extreme…
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…
Relativistic spherical plasma waves
S. S. Bulanov, A. Maksimchuk, C. B. Schroeder +3
Tightly focused laser pulses as they diverge or converge in underdense plasma can generate wake waves, having local structures that are spherical waves. Here we report on theoretic…
On the design of experiments for the study of extreme field limits in the interaction of laser with ultrarelativistic electron beam
S. V. Bulanov, T. Zh. Esirkepov, Y. Hayashi +13
We propose the experiments on the collision of laser light and high intensity electromagnetic pulses generated by relativistic flying mirrors, with electron bunches produced by a c…
Characteristics of light reflected from a dense ionization wave with a tunable velocity
A. Zhidkov, T. Esirkepov, T. Fujii +3
An optically-dense ionization wave (IW) produced by two femtosecond laser pulses focused cylindrically and crossing each other is shown to be an efficient coherent x-ray converter.…
Boosted high harmonics pulse from a double-sided relativistic mirror
T. Zh. Esirkepov, S. V. Bulanov, M. Kando +2
An ultra-bright high-intensity X- and gamma-radiation source is proposed. A high-density thin plasma slab, accelerating in the radiation pressure dominant regime by a co-propagatin…
Laser-driven high-power X- and gamma-ray ultra-short pulse source
Timur Zh. Esirkepov, Sergei V. Bulanov, Alexei G. Zhidkov +2
A novel ultra-bright high-intensity source of X-ray and gamma radiation is suggested. It is based on the double Doppler effect, where a relativistic flying mirror reflects a counte…
On the production of flat electron bunches for laser wake field acceleration
M. Kando, Y. Fukuda, H. Kotaki +8
We suggest a novel method for injection of electrons into the acceleration phase of particle accelerators, producing low emittance beams appropriate even for the demanding high ene…