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We investigate the phenomenon of vacuum pair creation for Dirac fermions subjected to a Volkov plane wave and a constant electric field within the framework of spin noncommutativity of coordinates. Employing the Schwinger proper-time…

High Energy Physics - Theory · Physics 2026-02-10 B. Hamil , B. C. Lütfüoğlu

Spin effect on the pair production under circularly polarized fields are investigated. Significantly different from what momentum spirals caused by two counter-rotating fields with a time delay, we find for the first time that the spirals…

High Energy Physics - Phenomenology · Physics 2024-02-27 Li-Na Hu , Hong-Hao Fan , Orkash Amat , Suo Tang , Bai-Song Xie

Electron-positron pair production from vacuum in external electric fields with space and time dependencies is studied numerically using real time Dirac-Heisenberg-Wigner formalism. The influence of spatial focusing scale of the electric…

High Energy Physics - Phenomenology · Physics 2019-07-17 Mamutjan Ababekri , Bai-Song Xie , Jun Zhang

The Dirac equation with both scalar and vector couplings describing the dynamics of a two-dimensional Dirac oscillator in the cosmic string spacetime is considered. We derive the Dirac-Pauli equation and solve it in the limit of the spin…

High Energy Physics - Theory · Physics 2019-07-18 Daniel F. Lima , Fabiano M. Andrade , Luis B. Castro , Cleverson Filgueiras , Edilberto O. Silva

Electron-positron pair production from vacuum in spatially inhomogeneous electric fields with quadratically symmetric chirp is studied within the real-time Dirac-Heisenberg-Wigner formalism. The reduced momentum spectrum and the reduced…

High Energy Physics - Phenomenology · Physics 2026-03-17 Le Le Chen , Xiao-Ting Xu , Rong-An-Tang , Xue-Ren Hong , Lie-Juan Li , Bai-Song Xie

Dynamical Sauter-Schwinger mechanism of electron-positron pair creation by a time-dependent electric field pulses is considered using the $S$-matrix approach and reduction formulas. They lead to the development of framework based on the…

Quantum Physics · Physics 2024-03-25 M. M. Majczak , K. Krajewska , J. Z. Kamiński , A. Bechler

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

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

Based on the quantum mechanical scattering model, the dynamical assist effect and the multiple-slit interference effect in electron-positron pair production from vacuum are generalized to vacuum pair production of charged scalar bosons. For…

Quantum Physics · Physics 2013-12-11 Zi-Liang Li , Ding Lu , Bai-Song Xie

In this paper, a phase-space description of electron-positron pair-creation will be applied, based on a Wigner transformation of the Klein-Gordon equation. The resulting theory is similar in many respects to the equations from the…

Plasma Physics · Physics 2024-02-08 Haidar Al-Naseri , Gert Brodin

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

It is believed that in presence of some strong electromagnetic fields, called overcritical, the (Dirac) vacuum becomes unstable and decays leading to a spontaneous production of an electron-positron pair. Yet, the arguments are based mainly…

High Energy Physics - Theory · Physics 2008-11-26 Nikodem Szpak

We investigate the phenomenon of electron-positron pair production from vacuum in the presence of a uniform time-dependent electric field of arbitrary polarization. Taking into account the interaction with the external classical background…

High Energy Physics - Phenomenology · Physics 2024-10-04 I. A. Aleksandrov , A. Kudlis , A. I. Klochai

Production of electron-positron pairs in two oscillating strong electric field pulses with largely different frequencies and durations is considered. In a first scenario, the influence of a low-frequency background field on pair production…

Atomic Physics · Physics 2023-05-31 N. Folkerts , J. Putzer , S. Villalba-Chávez , C. Müller

The non-perturbative electron-positron pair production in time-dependent electric fields is investigated. The quantum kinetic formalism is employed in order to calculate the electron density for various field configurations. The…

High Energy Physics - Phenomenology · Physics 2012-12-06 Christian Kohlfürst

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

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 the finite time behavior of pair production from the vacuum by time-dependent Sauter pulsed electric fields in spinor quantum electrodynamics (QED). Using the exact analytic solution of the mode function, we find the…

High Energy Physics - Phenomenology · Physics 2024-05-28 Deepak Sah , Manoranjan P. Singh

We study helicity correlations of electron-positron pairs created by a homogeneous time-dependent electric field in the Sauter-Schwinger scenario. Our analysis is based on solving the Dirac equation with the Feynman or anti-Feynman boundary…

High Energy Physics - Phenomenology · Physics 2026-05-27 M. M. Majczak , K. Krajewska , A. Bechler , J. Z. Kamiński

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