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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 investigate electron-positron pair creation from the vacuum in a pulsed electric background field. Employing the Sauter-type pulsed field $E(t)=E_0 {\rm sech}^2 (t/\tau)$ with height $E_0$ and width $\tau$, we demonstrate explicitly the…

High Energy Physics - Phenomenology · Physics 2014-07-30 Hidetoshi Taya , Hirotsugu Fujii , Kazunori Itakura

Sauter-Schwinger pair creation in electromagnetic fields is a fundamental prediction of QED and one of the motivations for the present efforts in constructing super-strong lasers. I will give a historical review of the subject, and then…

High Energy Physics - Phenomenology · Physics 2024-06-21 Christian Schubert

The creation of lepton pairs ($e^+e^-$ and $\mu^+\mu^-$) via multiphoton absorption in collisions of ultrarelativistic ion beams with ultrashort high-frequency laser pulses is considered. Both the free and the bound-free production channels…

High Energy Physics - Phenomenology · Physics 2009-02-02 Carsten Müller

Matter/antimatter (MAM) pair production from the vacuum through intense electric fields has been investigated theoretically for nearly a century. This history is reviewed and proposals of MAM for intra-solar system and interstellar…

General Physics · Physics 2016-09-28 Gerald B. Cleaver

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

The collision of ultrashort high-density $e^-$ or $e^-$ and $e^+$ beams at 10s of GeV, to be available at the FACET II and in laser wakefield accelerator experiments, can produce highly collimated $\gamma$ rays (few GeVs) with peak…

Plasma Physics · Physics 2019-03-04 F. Del Gaudio , T. Grismayer , R. A. Fonseca , W. B. Mori , L. O. Silva

The properties of the forced oscillations of electron-positron plasma (EPP) generated from vacuum under the action of a short laser pulse are considered. Calculating the density of the conduction and polarization currents within the quantum…

Plasma Physics · Physics 2021-05-12 I. A. Aleksandrov , A. D. Panferov , S. A. Smolyansky

Recent years, multiphoton pair production has become one of the most promising approaches to investigate the Schwinger effect. However, the production and evolution of chirality, a key topic in the study of this effect, has not been…

High Energy Physics - Phenomenology · Physics 2024-01-30 Chengpeng Yu

We investigate the nonperturbative process of vacuum pair production in a combination of two counterpropagating linearly polarized laser pulses of a finite spatial extent. By means of the locally-constant field approximation (LCFA), we…

High Energy Physics - Phenomenology · Physics 2025-05-14 A. G. Tkachev , I. A. Aleksandrov , V. M. Shabaev

The process of bound-free pair production of electrons and positrons in combined laser and Coulomb fields is investigated. It is assumed that an ion collides at relativistic speed with an intense x-ray laser beam of linear polarization. The…

Atomic Physics · Physics 2009-11-13 C. Deneke , C. Müller

Understanding the interplay of strong-field QED and collective plasma effects is important for explaining extreme astrophysical environments like magnetars. It has been shown that QED pair plasmas is possible to be produced and observed by…

Plasma Physics · Physics 2024-05-24 Kenan Qu , Sebastian Meuren , Nathaniel J. Fisch

The future linear collider will collide dense $e^+e^-$ bunches at high energies up to 1 TeV, generating very intense electromagnetic fields at the interaction point (IP). These fields are strong enough to lead to nonlinear effects which…

High Energy Physics - Phenomenology · Physics 2014-04-04 A. Hartin , S. Porto , G. Moortgat-Pick

We propose the experiments on the collision of laser light and high intensity electromagnetic pulses generated by relativistic flying mirrors, with electron bunches produced by a conventional accelerator and with laser wake field…

Some astrophysical objects are supposed to have very strong electromagnetic fields above the critical strength. Quantum fluctuations due to strong electromagnetic fields modify the Maxwell theory and particularly electric fields make the…

High Energy Physics - Theory · Physics 2015-05-13 Sang Pyo Kim , Hyun Kyu Lee

The propagation of high energy (HE, $E_\gamma>100$ MeV) and very high-energy gamma-rays (VHE, $E_\gamma>100$ GeV) in the extra-galactic photon field leads to pair-production and consequently energy- and distance-dependent attenuation of the…

High Energy Astrophysical Phenomena · Physics 2013-09-17 Dieter Horns , Manuel Meyer

Ongoing progress in laser and accelerator technology opens new possibilities in high-field science, notably to investigate the largely unexplored strong-field quantum electrodynamics (SFQED) regime where electron-positron pairs can be…

Novel emergent phenomena are expected to occur under conditions exceeding the QED critical electric field, where the vacuum becomes unstable to electron-positron pair production. The required intensity to reach this regime,…

Researches on the electron-positron pair production in the presence of the intense laser field are reviewed, motivated by the theoretical importance of the nonperturbative QED problem and the worldwide development of the strong laser…

Atomic Physics · Physics 2020-10-28 Huayu Hu

Strong field QED is an active research frontier. The investigation of fundamental phenomena such as pair creation, photon-photon and photon-electron interactions in the nonlinear QED regime are a formidable challenge -- both experimentally…

Instrumentation and Detectors · Physics 2022-05-18 Rajendra Prasad
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