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The approach in which the electron and positron are treated as ordinary, different particles, each being characterized by the complete set of the Dirac plane waves, is examined. This completely symmetric representation that is beyond the…

High Energy Physics - Phenomenology · Physics 2017-10-20 A. I. Agafonov

Pair creation of spin- 1/2 particles in Minkowski spacetime is investigated by obtaining exact solu- tions of the Dirac equation in the presence of electromagnetic fields and using them for determining the Bogoliubov coefficients. The…

High Energy Physics - Theory · Physics 2017-11-22 Kenan Sogut , Hilmi Yanar , Ali Havare

In clouds of suspended particles (grains, droplets, spheres, crystals, etc.), collisions electrify the particles and the clouds, producing large electric potential differences over large scales. This is seen most spectacularly in the…

Soft Condensed Matter · Physics 2017-07-28 Freja Nordsiek , Daniel P. Lathrop

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

The production of electron-positron pairs from vacuum by counterpropagating laser beams of linear polarization is calculated. In contrast to the usual approximate approach, the spatial dependence and magnetic component of the laser field…

We consider pair creation by collision of a couple of counterpropagating electromagnetic pulses with arbitrary frequency ratio, mostly in the context of setup with collision of optical and coherent hard X- (or gamma-) ray pulses. This…

High Energy Physics - Phenomenology · Physics 2015-06-17 A. M. Fedotov , A. A. Mironov

We present the results of the calculation of the electron-positron pair creation probability by the circularly polarized electromagnetic wave during its propagation in underdense collisionless plasmas. The dependence of the probability on…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. S. Bulanov

We investigate electron-positron pair production from the quantum vacuum in spatially asymmetric, time-oscillating electric fields using the Dirac-Heisenberg-Wigner (DHW) formalism. The field configuration combines spatially separated…

High Energy Physics - Phenomenology · Physics 2025-05-12 Mamat Ali Bake , Obulkasim Olugh

We study the process of energy conversion from overcritical electric field into electron-positron-photon plasma. We solve numerically Vlasov-Boltzmann equations for pairs and photons assuming the system to be homogeneous and anisotropic.…

Cosmology and Nongalactic Astrophysics · Physics 2013-03-13 Alberto Benedetti , Remo Ruffini , Gregory Vereshchagin

The Dirac-Heisenberg-Wigner formalism is employed to investigate electron-positron pair production in cylindrically symmetric but otherwise spatially inhomogeneous, oscillating electric fields. The oscillation frequencies are hereby tuned…

High Energy Physics - Phenomenology · Physics 2018-03-07 Christian Kohlfürst , Reinhard Alkofer

We study higher-order effects in the electromagnetic production of electron-positron pairs in relativistic heavy ion collisions. Treating the field of the heavy ions as an external field and neglecting the interaction among electrons and…

Nuclear Theory · Physics 2009-10-28 Kai Hencken , Dirk Trautmann , Gerhard Baur

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

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

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

We compute the electromagnetic fields generated in relativistic heavy-ion collisions using the iEBE-VISHNU framework. We calculated the incremental drift velocity from the possible four sources of the electric force (coulomb, Lorentz,…

Nuclear Theory · Physics 2021-07-06 Tewodros Gezhagn , A. K. Chaubey

We use the non-equlibrium statistical field theory for classical particles, recently developed by Mazenko and Das and Mazenko, together with the free generating functional we have previously derived for point sets initially correlated in…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-06 Matthias Bartelmann , Felix Fabis , Daniel Berg , Elena Kozlikin , Robert Lilow , Celia Viermann

We calculate the number density, energy density, transverse pressure, longitudinal pressure, and magnetization of an ensemble of spin one-half particles in the presence of a homogenous background magnetic field. The magnetic field direction…

Nuclear Theory · Physics 2013-05-27 Michael Strickland , Veronica Dexheimer , Debora P. Menezes

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 process of $e^+e^-$ production in the superposition of a Coulomb and a strong laser field is considered. The pair production rate integrated over the momentum and summed over the spin projections of one of the particles is derived…

High Energy Physics - Phenomenology · Physics 2011-03-18 A. Di Piazza , A. I. Milstein , C. Müller

The production of electron-positron pairs in time-dependent electric fields (Schwinger mechanism) depends non-linearly on the applied field profile. Accordingly, the resulting momentum spectrum is extremely sensitive to small variations of…

High Energy Physics - Phenomenology · Physics 2015-12-23 Florian Hebenstreit