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We investigate electron-positron pair production from the vacuum in presence of a strong oscillating electric field with a multi-pulse structure and variable inter-pulse delay. The pair production probabilities are computed by numerically…

High Energy Physics - Phenomenology · Physics 2026-04-09 Abhinav Jangir

The bound-free channel of electron-positron pair production by a highly charged bare ion in the presence of a strong constant crossed electromagnetic field is studied. To calculate the pair production rate, two different methods are applied…

Atomic Physics · Physics 2025-12-12 S. Remme , A. Eckey , S. Villalba-Chávez , A. B. Voitkiv , C. Müller

We study electron-positron pair production by the combination of a strong, constant electric field and a thermal background. We show that this process is similar to dynamically assisted Schwinger pair production, where the strong field is…

High Energy Physics - Phenomenology · Physics 2019-05-16 Greger Torgrimsson

In this article we review a theoretical framework for pair production from strong external electromagnetic fields. We propose a numerical method to solve the resulting equations of motion and present results for both cases of spatially…

Plasma Physics · Physics 2012-07-19 Dániel Berényi , Péter Lévai , Vladimir Skokov

Electron-positron pair production is considered for many-center systems with multiple bare nuclei immersed in a constant electric field. It is shown that there are two distinct regimes where the pair production rate is enhanced. At small…

Quantum Physics · Physics 2013-08-09 François Fillion-Gourdeau , Emmanuel Lorin , André D. Bandrauk

We investigate the process of Abelian pair production in the presence of strong inhomogeneous and time-dependent external electric fields. The spatial dependence of the external field is motivated by a non-Abelian color flux tube in…

High Energy Physics - Phenomenology · Physics 2014-01-03 Dániel Berényi , Sándor Varró , Vladimir V. Skokov , Péter Lévai

We study the fermion pair production from a strong electric field in boost-invariant coordinates in (3+1) dimensions and exploit the cylindrical symmetry of the problem. This problem has been used previously as a toy model for populating…

High Energy Physics - Phenomenology · Physics 2014-11-18 Bogdan Mihaila , Fred Cooper , John F. Dawson

We study electron-positron pair creation by a strong and slowly varying electric field, assisted by a weaker and more rapidly changing field (e.g., in the keV regime) plus an additional high-energy (say MeV) photon. It turns out that this…

High Energy Physics - Theory · Physics 2016-10-21 Greger Torgrimsson , Johannes Oertel , Ralf Schützhold

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

This work covers electron positron pair production in spatially homogeneous electric (and magnetic) fields. Different field configurations are looked at in order to study various phenomena including multiphoton pair production,…

Plasma Physics · Physics 2017-01-19 Alexander Blinne

A detailed analysis of electron-positron pair creation induced by a spatially nonuniform and static electric field from vacuum is presented. A typical example is provided by the Sauter potential. For this potential, we derive the analytic…

High Energy Physics - Theory · Physics 2011-12-20 A. Chervyakov , H. Kleinert

We study electron-positron pair production by spatially inhomogeneous electric fields. Depending on the localization of the field, a critical point (critical surface) exists in the space of field configurations where the pair production…

High Energy Physics - Theory · Physics 2017-02-08 Holger Gies , Greger Torgrimsson

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

Quantum entanglement is the characteristic quantum correlation. Here we use this concept to analyze the quantum entanglement generated by Schwinger production of particle-antiparticle pairs in an electric field, as well as the change of…

High Energy Physics - Theory · Physics 2017-02-15 Yujie Li , Yue Dai , Yu Shi

Probabilities of a pair of fermions and bosons creation in a static and spatially uniform electric field E are represented in the Schwinger formulas by infinite series. It is believed that in weak fields the main contribution to the…

Quantum Physics · Physics 2012-08-08 B. B. Levchenko

We study electron-positron pair creation by a strong and constant electric field superimposed with a weaker transversal plane wave which is incident perpendicularly (or under some angle). Comparing the fully non-perturbative approach based…

High Energy Physics - Phenomenology · Physics 2018-05-16 Greger Torgrimsson , Christian Schneider , Ralf Schützhold

Electron-positron pair production in strong electric fields, i.e., the Sauter-Schwinger effect, is studied using the real-time Dirac-Heisenberg-Wigner formalism. Hereby, the electric field is modeled to be a homogeneous, single-pulse field…

High Energy Physics - Phenomenology · Physics 2019-05-07 Obulkasim Olugh , Zi-Liang Li , Bai-Song Xie , Reinhard Alkofer

It is suggested that Schwinger's (1951) vacuum persistence probability against pair production by an intense but constant electric field is a very good approximation to the corresponding quantity if the field does not vary appreciably over…

High Energy Physics - Theory · Physics 2009-11-11 Herbert M. Fried , Yves Gabellini

In the dynamically assisted Schwinger mechanism, the pair production probability is significantly enhanced by including a weak, rapidly varying field in addition to a strong, slowly varying field. In a previous paper we showed that several…

High Energy Physics - Phenomenology · Physics 2019-05-16 Greger Torgrimsson

In these lecture notes we give an introduction to the kinetic equation approach to pair production form the vacuum in strong, time-dependent external fields (dynamical Schwinger process). We first give a derivation of the kinetic equation…

High Energy Physics - Phenomenology · Physics 2017-04-14 D. B. Blaschke , S. A. Smolyansky , A. Panferov , L. Juchnowski