English
Related papers

Related papers: Pair production in laser fields: finite size effec…

200 papers

It is demonstrated that a pair can be characterized under which mechanism it was created according to its conversion energy, a quantity defined as the sum of electron and its conjugate positron's mass-energy, in the study of…

Quantum Physics · Physics 2016-05-24 Ibrahim. Sitiwaldi , Zi-Liang Li , Bai-Song Xie

Radiation losses in the interaction of superintense circularly polarized laser pulses with high-density plasmas can lead to the generation of strong quasistatic magnetic fields via absorption of the photon angular momentum (so called…

Plasma Physics · Physics 2020-12-29 T. V. Liseykina , A. Macchi , S. V. Popruzhenko

Magnetic reconnection in laser-produced magnetized plasma is investigated by using optical diagnostics. The magnetic field is generated via Biermann battery effect, and the inversely directed magnetic field lines interact with each other.…

The process of electron-positron pair production by a photon with subsequent annihilation to a single photon in a strong magnetic field has been studied. The general amplitude has been calculated and the process rate have been found in the…

High Energy Physics - Phenomenology · Physics 2017-02-14 M. M. Diachenko , O. P. Novak , R. I. Kholodov

Electron-positron pair production from vacuum is studied in combined background fields, a binding electric potential well and a laser field. The production process is triggered by the interactions between the bound states in the potential…

Quantum Physics · Physics 2020-03-11 D. D. Su , Y. T. Li , Q. Z. Lv , J. Zhang

We investigate non-perturbative pair production from vacuum (the Schwinger effect) in the focal region of two counter-propagating, ultra-short laser pulses with sub-cycle structure. We use the quantum kinetic formulation to calculate the…

High Energy Physics - Phenomenology · Physics 2017-08-23 Florian Hebenstreit , Reinhard Alkofer , Gerald V. Dunne , Holger Gies

We investigate the effect of pair creation on a shock structure. Particles, accelerated in the shock via the first order Fermi process, are supposed to cool by inverse Compton process on external soft photons, resulting in a cut-off power…

Astrophysics · Physics 2007-05-23 P. O. Petrucci , G. Henri , G. Pelletier

We show that the transverse component of the wakefield can be produced with the application of an external magnetic field that generates radiation in the THz range. For this, we carry out analytical and numerical calculations to evaluate…

Plasma Physics · Physics 2020-07-24 Divya Singh , Hitendra K Malik

A quantum kinetic equation coupled with Maxwell's equation is used to estimate the laser power required at an XFEL facility to expose intrinsically quantum effects in the process of QED vacuum decay via spontaneous pair production. A 9…

Nuclear Theory · Physics 2010-03-04 C. D. Roberts , S. M. Schmidt , D. V. Vinnik

We study a massive scalar field theory in de Sitter space. Using worldline instanton approach, we calculate probability of pair production in weak-field limit. In addition to exponential factor we derive pre-exponential factor. Within this…

High Energy Physics - Phenomenology · Physics 2015-06-18 Sergey Guts

Charged particles in static electric and magnetic fields have Landau levels and tunneling states from the vacuum. Using the instanton method of Phys. Rev. D 65, 105002 (2002), we obtain the formulae for the pair-production rate in spinor…

High Energy Physics - Theory · Physics 2011-07-18 Sang Pyo Kim , Don N. Page

Supplementing our STM and electron emission studies investigations, concluding in electron pairing in strong laser fields [1], further time-of-flight electron emission studies were carried out, changing the angle of polarization of the…

Optics · Physics 2015-06-02 N. Kroó , P. Rácz , S. Varró

We consider the details of the QED processes that create electron-positron pairs in magnetic fields approaching and exceeding 10^{14} G. The formation of free and bound pairs is addressed, and the importance of positronium dissociation by…

Astrophysics · Physics 2009-11-13 Christopher Thompson

We study nonperturbative multiphoton electron-positron pair creation in ultrastrong electromagnetic fields formed by two counterpropagating pulses with elliptic polarization. Our numerical approach allows us to take into account the…

Atomic Physics · Physics 2015-06-25 Anton Wöllert , Heiko Bauke , Christoph H. Keitel

Following the pioneering work of H. Reiss [1], we provide a covariant calculation of the charged scalar particle pair production. The calculation is facilitated by the use of two-dimensional Bessel functions and light-font coordinates.

High Energy Physics - Phenomenology · Physics 2013-09-26 M. Onirban Islam , Md. Galib Hassan , M. Arshad Momen

The fermion particle pair production in strong SU(2) gauged chromoelectric fields is studied by using Boltzmann-Vlasov equation in a classical way. The existence of pre-production process in a classical description is shown with the…

High Energy Physics - Phenomenology · Physics 2016-05-24 M. R. Jia , Z. L. Li , C. Lv , F. Wan , B. S. Xie

It is well known that massive black holes may form through the gravitational collapse of a massive astrophysical body. Less known is the fact that a black hole can be produced by the quantum process of pair creation in external fields.…

General Relativity and Quantum Cosmology · Physics 2017-08-23 Oscar J. C. Dias

Direct production of electron--positron pairs in two photon collisions, the Breit--Wheeler process, is one of the basic processes in the Universe. However, it has never been observed in laboratory because of absence of the intense gamma-ray…

Instrumentation and Detectors · Physics 2016-01-13 X. Ribeyre , M. Lobet , E. D'Humières , O. Jansen , S. Jequier , V. T. Tikhonchuk

Electron-positron pair production in spatially and temporally inhomogeneous electric and magnetic fields is studied within the Dirac-Heisenberg-Wigner formalism (quantum kinetic theory) through computing the corresponding Wigner functions.…

High Energy Physics - Phenomenology · Physics 2020-05-13 Christian Kohlfürst

A large body of experimental evidence suggests that the decay of the false vacuum, accompanied by quantum pair creation of soliton domain walls, can occur in a variety of condensed matter systems. Examples include nucleation of charge…

Strongly Correlated Electrons · Physics 2008-11-26 J. H. Miller , G. Cardenas , A. Garcia-Perez , W. More , A. W. Beckwith