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The Schwinger mechanism of electron-positron pair production in the presence of strong external electric fields is analyzed numerically for the case of one- and two-dimensional field configurations where the external field depends both on…

High Energy Physics - Theory · Physics 2016-09-28 I. A. Aleksandrov , G. Plunien , V. M. Shabaev

We study the electron-positron pair production process in strong background electric fields with spatio-temporal inhomogeneity in the time-dependent Basis Light-front Quantization approach. We calculate the observables such as the invariant…

High Energy Physics - Phenomenology · Physics 2022-01-06 Zhiyu Lei , Bolun Hu , Xingbo Zhao

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

Electron-positron pair production for inhomogeneous electric and magnetic fields oscillating in space and time is investigated. By employing accurate numerical methods (Furry-picture quantization and quantum kinetic theory), final particle…

High Energy Physics - Phenomenology · Physics 2020-06-23 Ivan A. Aleksandrov , Christian Kohlfürst

The exact solutions of the wave equation for arbitrary spin particles in the field of the soliton-like electric impulse were obtained. The differential probability of pair production of particles by electromagnetic fields has been evaluated…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. I. Kruglov

Strong QED has attracted attention recently partly because many astrophysical phenomena have been observed to involve electromagnetic fields beyond the critical strength for electron-positron pair production and partly because terrestrial…

High Energy Physics - Theory · Physics 2008-02-06 Sang Pyo Kim

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

Electron-positron pair production from vacuum in a strong electric field oscillating in time is studied. The field is assumed to consist of two consecutive pulses, with variable time delay in between. Pair production probabilities are…

Plasma Physics · Physics 2019-05-22 L. F. Granz , O. Mathiak , S. Villalba-Chávez , C. Müller

We employ the recently developed worldline numerics, which combines string-inspired field theory methods with Monte-Carlo techniques, to develop an algorithm for the computation of pair-production rates in scalar QED for inhomogeneous…

High Energy Physics - Phenomenology · Physics 2009-11-11 Holger Gies , Klaus Klingmuller

The process of the lepton pair production by a neutrino propagating in an external electromagnetic field is investigated in the framework of the Standard Model. Relatively simple exact expression for the probability as the single integral…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. V. Kuznetsov , N. V. Mikheev , D. A. Rumyantsev

We investigate the phenomenon of electron-positron pair production from vacuum in the presence of a strong electric field of circular polarization. By means of a nonperturbative approach based on the quantum kinetic equations (QKEs), we…

High Energy Physics - Phenomenology · Physics 2024-04-04 I. A. Aleksandrov , A. Kudlis

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

The process of electron-positron pair production is investigated within the phase-space Wigner formalism. The similarities between atomic ionization and pair production for homogeneous, but time-dependent linearly polarized electric fields…

High Energy Physics - Phenomenology · Physics 2015-12-21 Christian Kohlfürst

We first demonstrate theoretically that the computational quantum field theory is equivalent to the quantum kinetic theory for pair creation in a spatially homogeneous and time-dependent electric field, then verify numerically their…

High Energy Physics - Phenomenology · Physics 2021-06-30 Z. L. Li , C. Gong , Y. J. Li

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

We present the calculation of the probability production of an electron-positron pair in the presence of a strong magnetic field with time-varying strength. The calculation takes into account the presence of a strong, constant and uniform…

High Energy Physics - Phenomenology · Physics 2018-08-01 Antonino Di Piazza , Giorgio Calucci

In recent years, a large number of papers have appeared that dealt with $\EPEM$ pair production in heavy ion collisions at high energies. To a large extent these studies were motivated by the existence of relativistic heavy ion accelerators…

Nuclear Theory · Physics 2008-11-26 Gerhard Baur , Kai Hencken , Dirk Trautmann

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 is known that strong electric fields produce electron and positron pairs from the vacuum, and due to the back-reaction these pairs oscillate back and forth coherently with the alternating electric fields in time. We study this phenomenon…

High Energy Physics - Phenomenology · Physics 2014-11-20 Wen-Biao Han , Remo Ruffini , She-Sheng Xue

We investigate electron-positron pair production in pulse-shaped electric background fields using a non-Markovian quantum kinetic equation. We identify a pulse-length range for subcritical fields still in the nonperturbative regime where…

High Energy Physics - Phenomenology · Physics 2008-12-18 Florian Hebenstreit , Reinhard Alkofer , Holger Gies
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