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High energy photons can decay to electron-positron pairs via the nonlinear Breit-Wheeler process when colliding with an intense laser pulse. The energy spectrum of the produced particles is broadened because of the variation of their…

High Energy Physics - Phenomenology · Physics 2021-08-25 Suo Tang

The interaction of high energy electrons, positrons, and photons with intense laser pulses is studied in head-on collision geometry. It is shown that electrons and/or positrons undergo a cascade-type process involving multiple emissions of…

Plasma Physics · Physics 2015-06-16 S. S. Bulanov , C. B. Schroeder , E. Esarey , W. P. Leemans

In an intense laser field, an electron may decay by emitting a pair of photons. The two photons emitted during the process, which can be interpreted as a laser-dressed double Compton scattering, remain entangled in a quantifiable way:…

Quantum Physics · Physics 2009-11-26 E. Lötstedt , U. D. Jentschura

Ultra-relativistic heavy-ion collisions are expected to produce the strongest electromagnetic fields in the known Universe. These highly-Lorentz contracted fields can manifest themselves as linearly polarized quasi-real photons that can…

High Energy Physics - Phenomenology · Physics 2021-11-17 James Daniel Brandenburg , Wangmei Zha , Zhangbu Xu

Based on strong-field QED in the Furry picture we use the Dirac-Volkov propagator to derive a compact expression for the differential emission probability of the two-photon Compton process in a pulsed intense laser field. The relation of…

High Energy Physics - Phenomenology · Physics 2012-05-31 D. Seipt , B. Kampfer

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

The recoil associated with photon emission is key to the dynamics of ultrarelativistic electrons in strong electromagnetic fields, as are found in high-intensity laser-matter interactions and astrophysical environments such as neutron star…

Plasma Physics · Physics 2018-08-20 T. G. Blackburn , D. Seipt , S. S. Bulanov , M. Marklund

The very strong electromagnetic fields present in ultraperipheral relativistic heavy ion collisions lead to important higher order effects of the electromagnetic interaction. These multiphoton exchange processes are studied using…

Nuclear Theory · Physics 2014-11-18 Gerhard Baur , Kai Hencken , Andreas Aste , Dirk Trautmann , Spencer R. Klein

The field of laser-matter interaction traditionally deals with the response of atoms, molecules and plasmas to an external light wave. However, the recent sustained technological progress is opening up the possibility of employing intense…

High Energy Physics - Phenomenology · Physics 2012-08-20 A. Di Piazza , C. Müller , K. Z. Hatsagortsyan , C. H. Keitel

We investigate the spin correlations between electron-positron pairs created from a photon when it scatters in a high-intensity laser pulse via the nonlinear Breit-Wheeler process. We find that the spin states of the generated…

High Energy Physics - Phenomenology · Physics 2025-04-10 S. Tang , B. M. Dillon , B. King

Studies of strong field particle physics processes in electron/laser interactions and lepton collider interaction points are reviewed. These processes are defined by the high intensity of the electromagnetic fields involved and the need to…

High Energy Physics - Phenomenology · Physics 2018-07-31 Anthony Hartin

This work provides an overview of our recent results in studying two most important and widely discussed quantum processes: electron-positron pairs production off a probe photon propagating through a polarized short-pulsed electromagnetic…

High Energy Physics - Phenomenology · Physics 2016-06-22 Alexander I. Titov , Burkhard Kampfer , Atsushi Hosaka , Hideaki Takabe

We show that an all-optical configuration of the laser-electron collision in the $\lambda^{3}$ configuration based on 10 PW-class lasers presents a viable platform for reaching the range of parameters where a perturbative QED in strong…

High Energy Physics - Phenomenology · Physics 2022-06-22 M. Jirka , P. V. Sasorov , S. V. Bulanov

The laser field depletion in laser-electron beam collision is generally small. However, a properly chosen parameter of the laser and electron, the laser field depletion can be optimized. To access the laser energy evolution, simulations of…

Plasma Physics · Physics 2023-10-02 J. F. Ong , T. Moritaka , H. Takabe

Electrons at the surface of a plasma that is irradiated by a laser with intensity in excess of $10^{23}~\mathrm{W}\mathrm{cm}^{-2}$ are accelerated so strongly that they emit bursts of synchrotron radiation. Although the combination of high…

Plasma Physics · Physics 2021-05-12 T. G. Blackburn , A. J. MacLeod , A. Ilderton , B. King , S. Tang , M. Marklund

A density-dependent two-temperature model is applied to describe laser excitation and the following relaxation processes of silicon in an external electric field. Two approaches on how to describe the effects of the external electric field…

Field emission under ultra-fast intense terahertz fields provides a promising approach for generating electron bunches with ultrashort pulse duration and high charge densities. It is generally believed that the field emission current…

It is conjectured that all perturbative approaches to quantum electrodynamics (QED) break down in the collision of a high-energy electron beam with an intense laser, when the laser fields are boosted to `supercritical' strengths far greater…

Plasma Physics · Physics 2019-06-13 T. G. Blackburn , A. Ilderton , M. Marklund , C. P. Ridgers

In the laser --- electron beam head-on interaction electron energy can decrease due to radiation reaction, i.e. emission of photons. For 10--100~fs laser pulses and for the laser field strength up to the pair photoproduction threshold, it…

Plasma Physics · Physics 2019-06-28 I. I. Artemenko , M. S. Krygin , D. A. Serebryakov , E. N. Nerush , I. Yu. Kostyukov

As an alternative to Compton backscattering and bremsstrahlung, the process of colliding high-energy electron beams with strong laser fields can more efficiently provide both cleaner and brighter source of photons in the multi-GeV range for…

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