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Related papers: Dense e$^-$e$^+$ plasma formation in magnetic dipo…

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Sheath formation near biased electrodes in magnetic fields parallel to the wall is an understudied topic, especially within the context of Z-pinch fusion experiments. We perform 1X-2V Boltzmann-Poisson simulations of an axial cut at the…

Plasma Physics · Physics 2026-01-16 C. R. Skolar , B. Srinivasan

Strong-field quantum electrodynamics predicts electron-seeded electron-positron pair cascades when the electric field in the rest-frame of the seed electron approaches the Sauter-Schwinger field, i.e. $\eta = E_{RF}/E_S \sim 1$. Electrons…

Plasma Physics · Physics 2019-02-25 C. Slade-Lowther , D. Del Sorbo , C. P. Ridgers

The physics governing electron acceleration by a relativistically intense laser are not confined to the critical density surface, they also pervade the sub-critical plasma in front of the target. Here, particles can gain many times the…

Motivated by the need to predict plasma density and temperature distributions created in the early stages of high-intensity laser-plasma interactions, we develop a fluid model of plasma expansion into vacuum that incorporates external…

Plasma Physics · Physics 2026-02-10 Ritwik Sain , Lance Labun , Ou Z. Labun , Bjorn Manuel Hegelich

Effectiveness of using laser field to produce entanglement between two dipole-interacting identical two-level atoms is considered in detail. The entanglement is achieved by driving the system with a carefully designed laser pulse…

Quantum Physics · Physics 2017-04-26 I. V. Bargatin , B. A. Grishanin , V. N. Zadkov

We study the pair-production process in the presence of two counterpropagating linearly polarized short laser pulses. By means of a nonperturbative technique, we take into account the full coordinate dependence of the external field going…

High Energy Physics - Phenomenology · Physics 2017-11-10 I. A. Aleksandrov , G. Plunien , V. M. Shabaev

We present results from pulsed-power-driven magnetic reconnection experiments, in which we drove two exploding wire arrays in parallel to produce colliding plasma flows with anti-parallel magnetic fields of 1.2$\pm$0.2 T. The experimental…

Magnetic reconnection is a fundamental plasma process associated with conversion of the embedded magnetic field energy into kinetic and thermal plasma energy, via bulk acceleration and Ohmic dissipation. In many high-energy astrophysical…

Plasma Physics · Physics 2018-05-09 Longqing Yi , Baifei Shen , Alexander Pukhov , Tünde Fülöp

Propagation of right-hand circularly polarized laser into highly magnetized over-dense collisional plasma is analytically studied from basic equations. Highly magnetized plasma with density of 10^23 cm^-3 is efficiently heated from 100 eV…

Plasma Physics · Physics 2020-12-02 Kun Li , Wei Yu

Understanding plasma self-magnetization is one of the fundamental challenges in both laboratory and astrophysical plasmas. Self-magnetization can modify the plasma transport properties, altering the dynamical evolution of plasmas. Multiple…

Plasma Physics · Physics 2026-04-09 K. V. Lezhnin , S. R. Totorica , J. Griff-McMahon , M. Medvedev , H. Landsberger , A. Diallo , W. Fox

Linearly polarized solitary waves, arising from the interaction of an intense laser pulse with a plasma, are investigated. New localized structures, in the form of exact \Changes{numerical} nonlinear solutions of the one-dimensional…

Plasma Physics · Physics 2015-03-11 G. Sánchez-Arriaga , E. Siminos , V. Saxena , I. Kourakis

Pulses from a 10 PW laser are predicted to produce large numbers of gamma-rays and electron-positron pairs on hitting a solid target. However, a pair plasma, if it accumulates in front of the target, may partially shield it from the pulse.…

Plasma Physics · Physics 2015-06-16 J. G. Kirk , A. R. Bell , C. P. Ridgers

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

The hypothetical axion and axion-like particles, feebly coupled with photon, have not yet been found in any experiment. With the improvement of laser technique, much stronger but shorter quasi-static electric and magnetic fields can be…

High Energy Physics - Phenomenology · Physics 2022-09-07 Shan Huang , Baifei Shen , Zhigang Bu , Xiaomei Zhang , Liangliang Ji , Shuhua Zhai

Experiments on heavy ion collisions performed at GSI (Darmstadt, Germany) revealed series of narrow quasi-equidistant peaks in the energy distribution of the produced $e^+e^-$ pairs in the range from 1.5 to 2.0 MeV which are ascribed to the…

High Energy Physics - Phenomenology · Physics 2011-07-25 P. I. Fomin , R. I. Kholodov

This paper presents a simplified theoretical model for the study of emission from laser produced plasma to better understand the processes and the factors involved in the onset of saturation in plasma emission as well as in increasing…

Plasma Physics · Physics 2015-06-22 V. N. Rai

We propose a new way of axial magnetic fields generation in a non-relativistic laser intensity regime by using a twisted light carrying orbital angular momentum (OAM) to stimulate two-plasmon decay (TPD) in a plasma. The growth of TPD…

Plasma Physics · Physics 2022-11-10 Yu Ji , Chang-Wang Lian , Yin Shi , Rui Yan , Shihui Cao , Chuang Ren , Jian Zheng

Radiation spectrum of extreme relativistic electrons and a probability of electron-positron pair production by energetic photons in a strong plasma wakefield are derived in the framework of a semiclassical approach. It is shown that that…

Plasma Physics · Physics 2009-11-13 E. Nerush , I. Kostyukov

We present an indepth investigation of certain aspects of the two level on resonant multiphoton approximation to pair production from vacuum in the presence of strong electromagnetic fields. Numerical computations strongly suggest that a…

High Energy Physics - Phenomenology · Physics 2008-11-26 I. Tsohantjis , S. Moustaizis , I. Ploumistakis

It was suggested [A. R. Bell & J. G. Kirk, PRL 101, 200403 (2008)] that an avalanche of electron-positron pairs can be triggered in the laboratory by a standing wave generated by intense laser fields. Here, we present a general solution to…

Plasma Physics · Physics 2024-08-20 A. Mercuri-Baron , A. A. Mironov , C. Riconda , A. Grassi , M. Grech