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Related papers: Electron-positron pair production in inhomogeneous…

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Electron-positron pairs' generation occuring in the interaction of $10^{18}$-$10^{20}$~W/cm$^2$ laser radiation with high-Z targets are examined. Computational results are presented for the pair production and the positron yield from the…

Atomic Physics · Physics 2009-10-31 D. A. Gryaznykh , Y. Z. Kandiev , V. A. Lykov

We investigate the effects of the asymmetric pulse shapes on electron-positron pair production in three distinct fields: chirp-free, small frequency chirp, and large frequency chirp fields via the real-time Dirac-Heisenberg-Wigner…

High Energy Physics - Phenomenology · Physics 2024-01-31 Neng-Zhi Chen , Orkash Amat , Li-Na Hu , Hong-Hao Fan , Bai-Song Xie

The interaction of high energy particles with atomic axes and planes allows to observe in crystal various effects predicted by the quantum electrodynamics of phenomena in strong electromagnetic field. In particular, the effect of…

Accelerator Physics · Physics 2007-05-23 V. G. Baryshevsky , V. V. Tikhomirov

The probability of electron-positron pair creation by a focused laser pulse is calculated. For description of the focused laser pulse we use a 3-dimensional model of the electromagnetic field which is based on an exact solution of Maxwell…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. S. Bulanov , N. B. Narozhny , V. D. Mur , V. S. Popov

The nonperturbative regime of electron-positron pair creation by a relativistic proton beam colliding with a highly intense bichromatic laser field is studied. The laser wave is composed of a strong low-frequency and a weak high-frequency…

High Energy Physics - Phenomenology · Physics 2014-09-09 Sven Augustin , Carsten Müller

The electron-positron pair production accompanying interaction of a circularly polarized laser pulse with a foil is studied for laser intensities higher than $10^{24}$W cm$^{-2}$. The laser energy penetrates into the foil due to the effect…

Plasma Physics · Physics 2016-11-03 I. Yu. Kostyukov , E. N. Nerush

Electron-positron interactions have been utilized in various fields of science. Here we develop time-dependent multi-component density functional theory to study the coupled electron-positron dynamics from first principles. We prove that…

Chemical Physics · Physics 2018-10-03 Yasumitsu Suzuki , Satoshi Hagiwara , Kazuyuki Watanabe

The process of electron-positron pair production by linearly polarized photons is used as a polarimeter to perform mobile measurement of linear photon polarization. In the limit of high photon energies, omega, the distributions of the…

High Energy Physics - Phenomenology · Physics 2009-10-31 I. V. Akushevich , H. Anlauf , E. A. Kuraev , P. G. Ratcliffe , B. G. Shaikhatdenov

Electron-positron pair production in low-energy collisions of heavy nuclei is considered beyond the monopole approximation. The calculation method is based on the numerical solving of the time-dependent Dirac equation with the full…

Atomic Physics · Physics 2019-08-20 I. A. Maltsev , V. M. Shabaev , R. V. Popov , Y. S. Kozhedub , G. Plunien , X. Ma , Th. Stöhlker

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

Electron-positron pair production is considered in the relativistic collision of a nucleus and an anti-nucleus, in which both leptons are created in bound states of the corresponding nucleus-lepton system. Compared to free and bound-free…

Atomic Physics · Physics 2014-11-20 A. B. Voitkiv , B. Najjari , A. Di Piazza

We investigate the phenomenon of electron-positron pair production from vacuum in the presence of a strong electric field of circular polarization. By means of a nonperturbative approach based on the quantum kinetic equations (QKEs), we…

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

We derive the spectrum and the total cross section of electromagnetic $e^{+}e^{-}$ pair production in the collisions of two nuclei at low relative velocity $\beta$. Both free-free and bound-free $e^{+}e^{-}$ pair production is considered.…

Atomic Physics · Physics 2016-11-29 R. N. Lee , A. I. Milstein

Prolific electron-positron pair production is possible at laser intensities approaching 10^{24} W/cm^2 at a wavelength of 1 micron. An analysis of electron trajectories and interactions at the nodes (B=0) of two counter-propagating,…

High Energy Physics - Phenomenology · Physics 2008-11-12 A. R. Bell , John G. Kirk

With a special choice of gauge the operator of the Klein-Fock-Gordon equation in homogeneous electric field respects boost symmetry. Using this symmetry we obtain solutions for the scalar massive field equation in such a background (boost…

High Energy Physics - Theory · Physics 2009-11-10 N. B. Narozhny , V. D. Mur , A. M. Fedotov

The process of neutrino production of electron positron pairs in a magnetic field of arbitrary strength, where electrons and positrons can be created in the states corresponding to excited Landau levels, is analysed. The mean value of the…

High Energy Physics - Phenomenology · Physics 2014-09-15 A. V. Kuznetsov , D. A. Rumyantsev , V. N. Savin

We reevaluate electron-positron pair production from electromagnetic interactions of muons in transit through materials. Our approach, through the use of structure functions for inelastic and elastic scattering and including hadronic…

High Energy Physics - Phenomenology · Physics 2009-11-06 A. Bulmahn , M. H. Reno

A spatially homogeneous, time-dependent, electric field can produce charged particle pairs from the vacuum. When the electric field is constant, the mean number of pairs which are produced depends on the electric field and the coupling…

General Relativity and Quantum Cosmology · Physics 2018-10-26 Karthik Rajeev , Sumanta Chakraborty , T. Padmanabhan

The simultaneous creation of multiple electron-positron pairs by localized strong electric fields is studied by utilizing a time- and space-resolved quantum field theory approach. It is demonstrated that the number of simultaneously created…

Quantum Physics · Physics 2017-09-26 Q. Z. Lv , Heiko Bauke

Strong QED has attracted attention recently partly because many astrophysical phenomena have been observed to involve electromagnetic fields beyond the critical strength for electron-positron pair production and partly because terrestrial…

High Energy Physics - Theory · Physics 2008-02-06 Sang Pyo Kim