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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

The emission from an electron in the field of a relativistically strong laser pulse is analyzed. At pulse intensities of J > 2 10^22 W/cm2 the emission from counter-propagating electrons is modified by the effects of Quantum ElectroDynamics…

Upcoming multipetawatt laser facilities are capable of inducing effects of quantum electrodynamics (QED) in laser-plasma interaction such as strong radiation reaction and QED cascades, both of which can significantly influence the…

Plasma Physics · Physics 2024-12-10 A. Muraviev , A. Bashinov

Since the invention of chirped pulse amplification, which was recognized by a Nobel prize in physics in 2018, there has been a continuing increase in available laser intensity. Combined with advances in our understanding of the kinetics of…

Plasma Physics · Physics 2020-06-19 P. Zhang , S. S. Bulanov , D. Seipt , A. V. Arefiev , A. G. R. Thomas

When an ultrarelativistic electron beam collides with a sufficiently intense laser pulse, radiation-reaction effects can strongly alter the beam dynamics. In the realm of classical electrodynamics, radiation reaction has a beneficial effect…

Plasma Physics · Physics 2013-08-15 N. Neitz , A. Di Piazza

Photons impinging on strong electromagnetic fields can change both momentum and helicity state, due to quantum vacuum polarisation. We investigate these effects in the collision of photons with impulsive PP-waves, which describe e.g. the…

High Energy Physics - Phenomenology · Physics 2024-11-26 Anton Ilderton , Hannah Kingham

Strong-field quantum electrodynamics (SF-QED) plays a crucial role in ultraintense laser matter interactions, and demands sophisticated techniques to understand the related physics with new degrees of freedom, including spin angular…

We study quantum electrodynamics (QED) in the light-front dynamical form by using null-plane causal perturbation theory. We establish the equivalence with instant dynamics for the scattering processes, whose normalization allows to…

High Energy Physics - Theory · Physics 2022-08-17 O. A. Acevedo , B. M. Pimentel

Impacts of quantum stochasticity on the dynamics of an ultra-relativistic electron beam head-on colliding with a linearly polarized ultra-intense laser pulse are theoretically investigated in a quasi-classical regime. Generally, the angular…

Plasma Physics · Physics 2020-10-21 Guang Hu , Wei-Qiang Sun , Bing-Jun Li , Yan-Fei Li , Wei-MinWang , Meng Zhu , Hua-Si Hu , Yu-Tong Li

Recent developments in the study of pulsar radio emission revealed that the microphysics of quantum electrodynamic (QED) pair cascades at pulsar polar caps may be responsible for generating the observed coherent radio waves. However,…

High Energy Astrophysical Phenomena · Physics 2025-07-22 Dingyi Ye , Alexander Y. Chen

The stability of two entangled spins dressed by electrons is studied by calculating the scattering phase shifts. The interaction between electrons is interpreted by fully relativistic QED and the screening effect is described…

Quantum Physics · Physics 2007-09-05 Hai-Jhun Wanng , W. T. Geng

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

In this paper, we investigate the evolution of the energy spread and the divergence of electron beams while they interact with different laser pulses at intensities where quantum effects and radiation reaction are of relevance. The…

Plasma Physics · Physics 2016-10-07 Marija Vranic , Thomas Grismayer , Ricardo A. Fonseca , Luis O. Silva

The classical nonlinear laser-plasma interaction theory is corrected. Given the effects of vacuum polarization (induced by extreme laser) as nonlinear media response, one-dimensional wave equations of a monochromatic laser field are derived…

Plasma Physics · Physics 2015-06-15 Wenbo Chen , Zhigang Bu , Hehe Li , Yuee Luo , Peiyong Ji

The region very close to an electron ($r << r_0 = e^2/mc^2 \approx 2.8\times 10^{-13}$ cm) is, according to quantum electrodynamics, a seething maelstrom of virtual electron-positron pairs flashing in and out of existence. To take account…

General Physics · Physics 2009-11-07 S. M. Blinder

We predict the existence of new nonlinear electromagnetic wave modes in pair plasmas. The plasma may be either non-magnetized or immersed in an external magnetic field. The existence of these modes depends on the interaction of an intense…

Plasma Physics · Physics 2007-05-23 Mattias Marklund , Padma K. Shukla , Gert Brodin , Lennart Stenflo

The colliding between ultra-relativistic electrons and an ultra-intense laser pulse is a powerful approach to testify the physics in strong-field QED regime. By considering spin-dependent radiation-reaction during laser-electron collision…

Plasma Physics · Physics 2020-07-02 X. S. Geng , L. L. Ji , B. F. Shen , B. Feng , Z. Guo , Q. Q. Han , C. Y. Qin , N. W. Wang , W. Q. Wang , Y. T. Wu , X. Yan , Q. Yu , L. G. Zhang , Z. Z. Xu

In this paper the dominant effect of electron inertia on the dynamics of localized density excitations is studied in a quantum plasma in the presence of electron spin effects. Using the quantum magnetohydrodynamics (QMHD) model including…

Plasma Physics · Physics 2015-05-30 M. Akbari-Moghanjoughi

The colliding between an ultra-intense laser pulse with a high energy electron beam is not only an important source for high-brightness gamma-rays but also a powerful approach to exploit new physics in the exotic strong-field QED regime. In…

Plasma Physics · Physics 2019-08-09 X. S. Geng , L. L. Ji , B. F. Shen , B. Feng , Z. Guo , Q. Yu , L. G. Zhang , Z. Z. Xu

Spin and polarization are central to precision tests of fundamental physics and for interpreting radiation from astrophysical sources and ultraintense laser-matter experiments. Predictive modeling therefore requires not only energy spectra,…

High Energy Physics - Phenomenology · Physics 2026-03-13 Samuele Montefiori , Antonino Di Piazza , Tobias Podszus , Christoph H. Keitel , Matteo Tamburini