English
Related papers

Related papers: Kinetic modelling of quantum effects in laser-beam…

200 papers

Exploring quantum electrodynamics in the most extreme conditions, where electron-positron pairs can emerge in the presence of a strong background field, is now becoming possible in Compton collisions between ultraintense lasers and…

Understanding the interplay of strong-field QED and collective plasma effects is important for explaining extreme astrophysical environments like magnetars. It has been shown that QED pair plasmas is possible to be produced and observed by…

Plasma Physics · Physics 2024-05-24 Kenan Qu , Sebastian Meuren , Nathaniel J. Fisch

The impact of stochasticity effects (SEs) in photon emissions on the proton energy spectra during laser-plasma interaction is theoretically investigated in the quantum radiation-dominated regime, which may facilitate SEs experimental…

The radiation pressure of next generation ultra-high intensity ($>10^{23}$ W/cm$^{2}$) lasers could efficiently accelerate ions to GeV energies. However, nonlinear quantum-electrodynamic effects play an important role in the interaction of…

We investigate the nonlinear interaction between a relativistically strong laser beam and a plasma in the quantum regime. The collective behavior of the electrons is modeled by a Klein-Gordon equation, which is nonlinearly coupled with the…

Plasma Physics · Physics 2011-07-26 Bengt Eliasson , Padma K. Shukla

QED-effects are known to occur in a strong laser pulse interaction with a counter-propagating electron beam, among these effects being electron-positron pair creation. We discuss the range of laser pulse intensities of J > 5*10^22 W/cm2…

Plasma Physics · Physics 2010-11-11 Igor V. Sokolov , Natalia M. Naumova , John A. Nees , Gerard A. Mourou

With the aid of large-scale three-dimensional QED-PIC simulations, we describe a realistic experimental configuration to measure collective effects that couple strong field quantum electrodynamics to plasma kinetics. For two counter…

Plasma Physics · Physics 2015-05-20 Peng Zhang , A. G. R. Thomas , C. P. Ridgers

The dynamics of an electron bunch irradiated by two focused colliding super-intense laser pulses and the resulting gamma and electron-positron production are studied. Due to attractors of electron dynamics in a standing wave created by…

Plasma Physics · Physics 2021-05-12 M. Jirka , O. Klimo , S. V. Bulanov , T. Zh. Esirkepov , E. Gelfer , S. S. Bulanov , S. Weber , G. Korn

Observing collective effects originating from the interplay between quantum electrodynamics and plasma physics might be achieved in upcoming experiments. In particular, the generation of electron-positron pairs and the observation of their…

Plasma Physics · Physics 2023-12-11 Alec Griffith , Kenan Qu , Nathaniel J. Fisch

We investigate the process of creating electron-positron pairs from laser-matter interaction in pre-ionised foam targets using particle-in-cell simulations. A high-intensity laser pulse drives electrons via direct laser acceleration up to a…

Plasma Physics · Physics 2025-12-19 Oliver Mathiak , Lars Reichwein , Alexander Pukhov

We consider strong-field effects in laboratory and astrophysical plasmas and high intensity laser and cavity systems. Current state-of-the-art laser facilities are close to reaching energy scales at which quantum electrodynamics will play a…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Marklund , P. K. Shukla

This work provides an overview of our recent results in studying two most important and widely discussed quantum processes: electron-positron pairs production off a probe photon propagating through a polarized short-pulsed electromagnetic…

High Energy Physics - Phenomenology · Physics 2016-06-22 Alexander I. Titov , Burkhard Kampfer , Atsushi Hosaka , Hideaki Takabe

The possibility to observe vacuum electron-positron pair creation due to a powerful optical laser pulse is discussed. We employ a quantum kinetic formulation of the problem with a source term describing the vacuum pair production in a…

Plasma Physics · Physics 2007-05-23 D. B. Blaschke , A. V. Prozorkevich , S. A. Smolyansky , A. V. Tarakanov

Recently much attention has being attracted to the problem of limitations on the attainable intensity of high power lasers [A.M. Fedotov {\it et al.} Phys. Rev. Lett. \textbf{105}, 080402 (2010)]. The laser energy can be absorbed by…

Plasma Physics · Physics 2011-03-23 E. N. Nerush , I. Yu. Kostyukov , A. M. Fedotov , N. B. Narozhny , N. V. Elkina , H. Ruhl

Ultra-strong laser pulses can be so intense that an electron in the focused beam loses significant energy due to gamma-photon emission while its motion deviates via the radiation back-reaction. Numerical methods and tools designed to…

Plasma Physics · Physics 2012-09-11 Igor V. Sokolov , Natalia M. Naumova , John A. Nees

The evolution of an electron beam colliding head-on with a strong plane-wave field is investigated in the framework of strong-field QED including radiation-reaction effects due to photon emission. Employing a kinetic approach to describe…

High Energy Physics - Phenomenology · Physics 2014-08-07 Norman Neitz , Antonino Di Piazza

With the rapid development of high-power petawatt class lasers worldwide, exploring physics in the strong field QED regime will become one of the frontiers for laser-plasma interactions research. Particle-in-cell codes, including quantum…

High Energy Physics - Phenomenology · Physics 2023-10-17 Qian Qian , Daniel Seipt , Marija Vranic , Thomas E. Grismayer , Tom G. Blackburn , Christopher P. Ridgers , Alexander G. R. Thomas

The electron-positron pair production accompanying interaction of a circularly polarized laser pulse with a foil is studied for laser intensities higher than $10^{24}$W cm$^{-2}$. The laser energy penetrates into the foil due to the effect…

Plasma Physics · Physics 2016-11-03 I. Yu. Kostyukov , E. N. Nerush

To probe the nonlinear effects of photon-photon interaction in the quantum electrodynamics, we study the generation of circular polarized photons by the collision of two linearly polarized laser beams. In the framework of the…

Optics · Physics 2015-09-09 Rohoollah Mohammadi , Iman Motie , She-Sheng Xue

High-energy spin-polarized electron, positron, and $\gamma$-photon beams have many significant applications in the study of material properties, nuclear structure, particle physics, and high-energy astrophysics. Thus,efficient production of…

Plasma Physics · Physics 2022-05-09 Ting Sun , Qian Zhao , Kun Xue , Zhi-Wei Lu , Liang-Liang Ji , Feng Wan , Yu Wang , Yousef I. Salamin , Jian-Xing Li
‹ Prev 1 2 3 10 Next ›