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Accurate modelling is necessary to support precision experiments investigating strong-field QED phenomena. This modelling is particularly challenging in the transition between the perturbative and nonperturbative regimes, where the…

High Energy Physics - Phenomenology · Physics 2023-09-21 T. G. Blackburn , B. King , S. Tang

We consider a system of ultracold atoms in an optical lattice as a quantum simulator for electron-positron pair production in quantum electrodynamics (QED). For a setup in one spatial dimension, we investigate the nonequilibrium phenomenon…

Quantum Gases · Physics 2016-08-09 V. Kasper , F. Hebenstreit , M. Oberthaler , J. Berges

Electron-positron pairs are produced through the Breit-Wheeler process when energetic photons traverse electromagnetic fields of sufficient strength. Here we consider a possible experimental geometry for observation of pair creation in the…

Plasma Physics · Physics 2018-03-23 T. G. Blackburn , M. Marklund

Production of electron-positron pairs by a high-energy $\gamma$ photon and a bichromatic laser wave is considered where the latter is composed of a strong low-frequency and a weak high-frequency component, both with circular polarization.…

High Energy Physics - Phenomenology · Physics 2023-06-06 N. Mahlin , S. Villalba-Chávez , C. Müller

In the quasistatic regimes of nonlinear Breit-Wheeler and trident pair creation, the rates can exhibit a non-analytic dependency on the fundamental coupling of quantum electrodynamics (QED), in a form similar to Schwinger vacuum pair…

High Energy Physics - Phenomenology · Physics 2024-01-05 B. King , S. Tang

Generation of arbitrarily spin-polarized lepton (here refer in particular to electron and positron) beams has been investigated in the single-shot interaction of high-energy polarized $\gamma$ photons with an ultraintense asymmetric laser…

The spin effect of electrons/positrons ($e^-$/$e^+$) and polarization effect of $\gamma$ photons are investigated in the interaction of two counter-propagating linearly polarized 10-PW-class laser pulses with a thin foil target. The…

Experimental efforts toward the detection of the nonperturbative strong-field regime of the Breit-Wheeler pair creation process plan to combine incoherent sources of GeV $\gamma$ quanta and the coherent fields of tightly focussed optical…

High Energy Physics - Phenomenology · Physics 2022-07-13 Alina Golub , Selym Villalba-Chávez , Carsten Müller

Advances in ultra-intense laser technology are enabling, for the first time, relativistic intensities at mid-infrared (mid-IR) wavelengths. Anticipating further experimental research in this domain, we present high-resolution two…

Cascaded Compton scattering and Breit-Wheeler (BW) processes play fundamental roles in high-energy astrophysical sources and laser-driven quantum electrodynamics (QED) plasmas. A thorough comprehension of the polarization transfer in these…

High Energy Physics - Phenomenology · Physics 2023-11-07 Qian Zhao , Ting Sun , Kun Xue , Feng Wan , Jian-Xing Li

The interaction of an unpolarized electron beam with a counterpropagating ultraintense linearly polarized laser pulse is investigated in the quantum radiation-dominated regime. We employ a semiclassical Monte Carlo method to describe…

Ultrafast strong-field laser--plasma physics is shown to offer a promising framework for relativistic nonlinear quantum electrodynamics (QED). As one of its key advantages, this approach to relativistic nonlinear QED does not require an…

Plasma Physics · Physics 2026-04-23 Vedin Dewan , Aleksei M. Zheltikov , Julia M. Mikhailova

High-energy spin-polarized electron, positron, and $\gamma$-photon beams have many significant applications in the study of material properties, nuclear structure, particle physics, and high-energy astrophysics. Thus,efficient production of…

Plasma Physics · Physics 2022-05-09 Ting Sun , Qian Zhao , Kun Xue , Zhi-Wei Lu , Liang-Liang Ji , Feng Wan , Yu Wang , Yousef I. Salamin , Jian-Xing Li

The nonlinear Breit-Wheeler process of electron-positron pair production off a probe photon colliding with a low-frequency and a high-frequency electromagnetic wave that propagate in the same direction is analyzed. We calculate the…

High Energy Physics - Phenomenology · Physics 2014-08-01 Yuan-Bin Wu , She-Sheng Xue

The $e^+e^-$ pair production by a probe photon traversing a linearly polarized laser pulse is treated as generalized nonlinear Breit-Wheeler process. For short laser pulses with very few oscillations of the electromagnetic field we find…

High Energy Physics - Phenomenology · Physics 2012-06-04 T. Nousch , D. Seipt , B. Kampfer , A. I. Titov

In our contribution we give a brief overview of two widely discussed quantum processes: electron-positron pairs production off a probe photon propagating through a polarized short-pulsed electromagnetic (e.m.) (e.g.\ laser) wave field or…

High Energy Physics - Phenomenology · Physics 2016-12-02 Alexander I. Titov , Burkhard Kampfer , Atsushi Hosaka , Hideaki Takabe

We consider the possibility of experimental verification of vacuum e^+e^- pair creation at the focus of two counter-propagating optical laser beams with intensities 10^{20}-10^{22} W/cm^2, achievable with present-day petawatt lasers, and…

At laser intensities above 1023W/cm2 the interaction of a laser with a plasma is qualitatively different to the interactions at lower intensities. In this intensity regime solid targets start to become relativistically underdense, gamma-ray…

Plasma Physics · Physics 2015-06-18 C. S. Brady , C. P. Ridgers , T. D. Arber , A. R. Bell

Laser-driven brilliant controllable polarized $\gamma$-photon sources open the way for designing compact $\gamma\gamma$ collider, which enable the large yield of linear Breit-Wheeler (LBW) pairs in a single shot and thus provide an…

High Energy Physics - Phenomenology · Physics 2021-11-30 Qian Zhao , Liang Tang , Feng Wan , Bo-Chao Liu , Ruo-Yu Liu , Rui-Zhi Yang , Jin-Qing Yu , Xue-Guang Ren , Zhong-Feng Xu , Yong-Tao Zhao , Yong-Sheng Huang , Jian-Xing Li

The process of nonlinear electron-positron pair production by an electron colliding with an arbitrary plane wave electromagnetic field (nonlinear trident pair production) is studied analytically and numerically. Special emphasis is put on…

High Energy Physics - Phenomenology · Physics 2018-12-19 F. Mackenroth , A. Di Piazza