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The Sauter-Schwinger effect predicts the creation of electron-positron pairs out of the quantum vacuum by a strong and slowly varying electric field. This effect can be dynamically assisted by an additional weaker time-dependent field,…

High Energy Physics - Theory · Physics 2017-06-28 Greger Torgrimsson , Christian Schneider , Johannes Oertel , Ralf Schützhold

We evaluate particle production in highly asymmetric head-on collisions of lasers pulses due to non-perturbative coherent action of many photons. We obtain the yield of electron-positron pairs, which is controlled by the photon content of…

High Energy Physics - Phenomenology · Physics 2011-09-29 Lance Labun , Johann Rafelski

The Breith-Wheeler resonant process has been theoretically studied in a strong X-ray electromagnetic wave field under conditions when the energy of one of the initial high-energy gamma quanta passes into the energy of a positron or…

High Energy Physics - Phenomenology · Physics 2023-08-08 S. P. Roshchupkin , V. D. Serov , V. V. Dubov

We study the creation of electron-positron pairs in the superposition of a nuclear Coulomb field and a two-color laser field of high intensity. Our focus lies on quantum interference effects, which may arise if the two laser frequencies are…

Atomic Physics · Physics 2014-08-29 Sven Augustin , Carsten Müller

We investigate electron-positron pair production from vacuum for short laser pulses with sub-cycle structure, in the nonperturbative regime (Schwinger pair production). We use the non-equilibrium quantum kinetic approach, and show that the…

High Energy Physics - Phenomenology · Physics 2009-05-13 Florian Hebenstreit , Reinhard Alkofer , Gerald V. Dunne , Holger Gies

We explore Schwinger pair production in rotating time-dependent electric fields using the real-time DHW formalism. We determine the time evolution of the Wigner function as well as asymptotic particle distributions neglecting back-reactions…

High Energy Physics - Phenomenology · Physics 2014-04-23 Alexander Blinne , Holger Gies

The process of pair creation by a photon in a constant and homogeneous electromagnetic field of an arbitrary configuration is investigating. At high energy the correction to the standard quasiclassical approximation (SQA) has been…

High Energy Physics - Phenomenology · Physics 2022-03-02 V. M. Katkov

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

Electron-positron pair creation near sub-Eddington accretion rate black holes is believed to be dominated by the Breit-Wheeler process (photon-photon collisions). The interacting high energy photons are produced when unscreened electric…

High Energy Astrophysical Phenomena · Physics 2021-02-10 George N. Wong , Benjamin R. Ryan , Charles F. Gammie

The electron-positron pair production due to the dynamical Schwinger process in a slowly oscillating strong electric field is enhanced by the superposition of a rapidly oscillating weaker electric field. A systematic account of the…

High Energy Physics - Phenomenology · Physics 2015-05-27 Andreas Otto , Daniel Seipt , David Blaschke , Stanislav Alexandrovich Smolyansky , Burkhard Kämpfer

As a fundamental QED process, linear Breit-Wheeler (LBW) pair production predicted 90 years ago has not yet been demonstrated in experiments with real photons. Here, we propose an experimentally advantageous scheme to detect the LBW signal…

We present the results of kinetic modelling of quantum effects in laser-beam interaction. In the developed numerical model, electron-positron pair production by hard photons, hard photon emission and the electromagnetic fields generated by…

Plasma Physics · Physics 2015-05-27 Evgeny Nerush , Igor Kostyukov

The momentum spectrum and the number density of created electron-positron pairs in a frequency modulated laser field are investigated using quantum kinetic equation. It is found that the momentum spectrum presents obvious interference…

Quantum Physics · Physics 2020-01-15 C. Gong , Z. L. Li , B. S. Xie , Y. J. Li

Electron-positron pair creation in a standing wave is explored using a parameter-free quantum kinetic equation. Field strengths and frequencies corresponding to modern optical lasers induce a material polarisation of the QED vacuum, which…

Nuclear Theory · Physics 2010-03-04 D. B. Blaschke , A. V. Prozorkevich , C. D. Roberts , S. M. Schmidt , S. A. Smolyansky

We consider scattering of a photon on a short intense laser pulse at high energy. We argue that for ultra-short laser pulses the interaction is coherent over the entire length of the pulse. At low pulse intensity $I$ the total cross section…

High Energy Physics - Phenomenology · Physics 2014-11-20 Kirill Tuchin

The creation of particles by two colliding strong laser beams is considered. It is found that the electron-positron pairs created in the laser field via the Schwinger mechanism may recollide after one or several oscillations in the field.…

High Energy Physics - Phenomenology · Physics 2015-11-24 Michael Kuchiev , Julian Ingham

Pair production due to the Schwinger mechanism is modeled in a self-consistent approach taking into account the backreaction of the created particles on the field. The model uses the Boltzmann kinetic equation for the electrons and…

Plasma Physics · Physics 2011-03-09 Alexander Tarasenko

Ultra strong electromagnetic fields can lead to spontaneous creation of single or multiple electron-positron pairs. A quantum field theoretical treatment of the pair creation process combined with numerical methods provides a description of…

Quantum Physics · Physics 2016-07-26 Anton Wöllert , Heiko Bauke , Christoph H. Keitel

Generation of antimatter via the multiphoton Breit-Wheeler process in an all-optical scheme will be made possible on forthcoming high-power laser facilities through the collision of wakefield-accelerated GeV electrons with a…

Plasma Physics · Physics 2017-04-12 Mathieu Lobet , Xavier Davoine , Emmanuel d'Humières , Laurent Gremillet

Generation of quasi-particle--hole pairs in gapped graphene monolayers in the combined field of two counterpropagating light waves is studied. The process represents an analogue of electron-positron pair production from the QED vacuum by…

Mesoscale and Nanoscale Physics · Physics 2020-03-25 A. Golub , R. Egger , C. Müller , S. Villalba-Chávez