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We investigate the spin correlations between electron-positron pairs created from a photon when it scatters in a high-intensity laser pulse via the nonlinear Breit-Wheeler process. We find that the spin states of the generated…

High Energy Physics - Phenomenology · Physics 2025-04-10 S. Tang , B. M. Dillon , B. King

The vacuum of quantum electrodynamics is unstable against the formation of many-body states in the presence of an external electric field, manifesting itself as the creation of electron-positron pairs (Schwinger effect). This effect has…

High Energy Physics - Phenomenology · Physics 2011-07-01 Florian Hebenstreit

The common tunneling picture of electron-positron pair creation in a strong electric field is generalized to pair creation in combined crossed electric and magnetic fields. This enhanced picture, being symmetric for electrons and positrons,…

Quantum Physics · Physics 2015-03-20 Anton Wöllert , Michael Klaiber , Heiko Bauke , Christoph H. Keitel

Solutions to the backreaction equation in 1+1-dimensional semiclassical electrodynamics are obtained and analyzed when considering a time-varying homogeneous electric field initially generated by a classical electric current, coupled to…

General Relativity and Quantum Cosmology · Physics 2021-05-12 Silvia Pla , Ian M. Newsome , Robert S. Link , Paul R. Anderson , Jose Navarro-Salas

Counter-propagating and suitably polarized light (laser) beams can provide conditions for pair production. Here, we consider in more detail the following two situations: (i) In the homogeneity regions of anti-nodes of linearly polarized…

High Energy Physics - Phenomenology · Physics 2016-06-20 A. Otto , T. Nousch , D. Seipt B. Kämpfer , D. Blaschke , A. D. Panferov , S. A. Smolyansky , A. I. Titov

We analytically investigate the Schwinger pair production in the de Sitter background by using {\em the uniform asymptotic approximation method}, and show that the equation of motion in general has two turning points, and the nature of…

General Relativity and Quantum Cosmology · Physics 2018-02-12 Jia-Jia Geng , Bao-Fei Li , Jiro Soda , Anzhong Wang , Qiang Wu , Tao Zhu

Magnetic monopoles may be produced by the Schwinger effect in the strong magnetic fields of peripheral heavy-ion collisions. We review the form of the electromagnetic fields in such collisions and calculate from first principles the cross…

High Energy Physics - Theory · Physics 2019-08-07 Oliver Gould , David L. -J. Ho , Arttu Rajantie

We present a simple proof that the imaginary part of the world-line path integral which computes the rate of Schwinger pair production of charged particles in a constant electric field, is given exactly by the semiclassical WKB limit.

High Energy Physics - Theory · Physics 2017-10-11 James Gordon , Gordon W. Semenoff

We study particle - antiparticle pair production under action of a strong time dependent space homogeneous electric field at the presence of a collinear constant magnetic field. We derive the kinetic equation for a such field configuration…

High Energy Physics - Phenomenology · Physics 2017-08-23 A. V. Tarakanov , A. V. Reichel , S. A. Smolyansky , S. M. Schmidt , D. V. Vinnik

Pair-creation of charged particles in a strong gauge-field background - the renowned Schwinger effect - can strongly alter the efficiency of gauge-field production during axion inflation. It is therefore crucial to have a clear…

High Energy Physics - Phenomenology · Physics 2025-04-14 Richard von Eckardstein , Kai Schmitz , Oleksandr Sobol

Recent studies of Schwinger pair production have demonstrated that the asymptotic particle spectrum is extremely sensitive to the applied field profile. We extend the idea of the dynamically assisted Schwinger effect from single pulse…

High Energy Physics - Phenomenology · Physics 2014-11-14 Florian Hebenstreit , François Fillion-Gourdeau

We introduce a canonical method for pair production by electromagnetic fields. The canonical method in the space-dependent gauge provides pair-production rate even for inhomogeneous fields. Further, the instanton action including all…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Sang Pyo Kim , Don N. Page

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

The non-perturbative electron-positron pair production (Schwinger effect) is considered for space- and time-dependent electric fields $\vec{E}(\vec{x},t)$. Based on the Dirac-Heisenberg-Wigner (DHW), formalism we derive a system of partial…

High Energy Physics - Phenomenology · Physics 2010-12-23 Florian Hebenstreit , Reinhard Alkofer , Holger Gies

It is a long-standing non-trivial prediction of quantum electrodynamics that its vacuum is unstable in the background of a static, spatially uniform electric field and, in principle, sparks with spontaneous emission of electron-positron…

High Energy Physics - Phenomenology · Physics 2019-07-03 Anthony Hartin , Andreas Ringwald , Natalia Tapia

Electron-positron pair production by the superposition of two laser pulses with different frequencies and amplitudes is analyzed as a particular realization of the assisted dynamic Schwinger effect. It is demonstrated that, within a…

Quantum Physics · Physics 2016-03-23 A. D. Panferov , S. A. Smolyansky , A. Otto , B. Kaempfer , D. Blaschke , L. Juchnowski

Observing multiphoton electron-positron pair production (the nonlinear Breit-Wheeler process) requires high-energy $\gamma$ rays to interact with strong electromagnetic fields. In order for these observations to be as precise as possible,…

High Energy Physics - Phenomenology · Physics 2024-11-14 Daniel Seipt , Mathias Samuelsson , Tom Blackburn

The Schwinger mechanism, the production of charged particle-antiparticle pairs in a macroscopic external electric field, is derived for 2+1 dimensional theories. The rate of pair production per unit area for four species of massless…

Mesoscale and Nanoscale Physics · Physics 2009-02-23 Danielle Allor , Thomas D. Cohen , David A. McGady

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

The interaction of an unpolarized electron beam with a counterpropagating ultraintense linearly polarized laser pulse is investigated in the quantum radiation-dominated regime. We employ a semiclassical Monte Carlo method to describe…