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Related papers: Pair emission from bare magnetized strange stars

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The probability-generating function of the number of electron-positron pairs produced in a uniform electric field is constructed. The mean and variance of the numbers of pairs are calculated, and analytical expressions for the probability…

High Energy Physics - Phenomenology · Physics 2015-06-05 M. I. Krivoruchenko

Neutron star surfaces and atmospheres are unique environments that sustain the largest-known magnetic fields in the universe. Our knowledge of neutron star material properties, including the composition and equation of state, remains highly…

High Energy Astrophysical Phenomena · Physics 2023-08-24 Thomas Gomez , Mark Zammit , Igor Bray , Christopher Fontes , Jackson White

The surface electric characteristics of bare strange stars are investigated with the inclusion of boundary effects. The thickness of the electron layer where pairs can be spontaneously created is calculated as a function of the bag…

Astrophysics · Physics 2009-11-07 Jian Hu , R. X. Xu

We examine the phenomenon of electron-positron pair production from vacuum in a combination of two counterpropagating electromagnetic pulses having a duration of the order of the Compton time. We show that in this extreme short-time domain,…

High Energy Physics - Phenomenology · Physics 2024-11-19 I. A. Aleksandrov , N. N. Rosanov

There is good evidence that electron-positron pair formation is not present in that section of the pulsar open magnetosphere which is the source of coherent radio emission, but the possibility of two-photon pair creation in an outer gap…

High Energy Astrophysical Phenomena · Physics 2017-03-29 P B Jones

Pulsar radio emission may be generated in pair discharges which fill the pulsar magnetosphere with plasma as an accelerating electric field is screened by freshly created pairs. In this Letter we develop a simplified analytic theory for the…

High Energy Astrophysical Phenomena · Physics 2022-07-20 Elizabeth A. Tolman , Alexander A. Philippov , Andrey N. Timokhin

We propose a simple model of production of strange baryons and antibaryons in nuclear collisions at the CERN SPS. The model takes into account both the increase of strangeness production in collisions of lighter ions and a possibility of…

High Energy Physics - Phenomenology · Physics 2014-11-17 Roman Lietava , Jan Pisut , Neva Pisutova , Petr Zavada

It is known that strong electric fields produce electron and positron pairs from the vacuum, and due to the back-reaction these pairs oscillate back and forth coherently with the alternating electric fields in time. We study this phenomenon…

High Energy Physics - Phenomenology · Physics 2014-11-20 Wen-Biao Han , Remo Ruffini , She-Sheng Xue

Unpulsed, high-energy emission from pulsar binaries can be attributed to the interaction of a pulsar wind with that of a companion star. At the shock between the outflows, particles carried away from the pulsar magnetosphere are accelerated…

High Energy Astrophysical Phenomena · Physics 2015-06-15 Iwona Mochol , John G. Kirk

The process of pair creation by a photon in a constant and homogeneous electromagnetic field of an arbitrary configuration is investigating. At high energy the correction to the standard quasiclassical approximation (SQA) has been…

High Energy Physics - Phenomenology · Physics 2022-03-02 V. M. Katkov

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

We investigate the electron-positron pair cascade taking place in the magnetosphere of a rapidly rotating black hole. Because of the spacetime frame dragging, the Goldreich-Julian charge density changes sign in the vicinity of the event…

High Energy Astrophysical Phenomena · Physics 2018-11-14 Kouichi Hirotani , Hung-Yi Pu , Sabrina Outmani , Hsinhao Huang , Dawoon Kim , Yoogeun Song , Satoki Matsushita , Albert K. H Kong

In slow collisions of two bare nuclei with the total charge larger than the critical value $Z_{\rm cr} \approx 173$, the initially neutral vacuum can spontaneously decay into the charged vacuum and two positrons. Detection of the…

Neutrino emission caused by singlet Cooper pairing of baryons in neutron stars is recalculated by accurately taking into account for conservation of the vector weak currents. The neutrino emissivity via the vector weak currents is found to…

Astrophysics · Physics 2010-11-05 L. B. Leinson , A. Perez

Treating the production of electron and positron pairs by a strong electric field from the vacuum as a quantum tunneling process we derive, in semiclassical approximation, a general expression for the pair production rate in a $z$-dependent…

High Energy Physics - Theory · Physics 2008-12-18 Hagen Kleinert , Remo Ruffini , She-Sheng Xue

We present a theoretical treatment for the ejection of a secondary electron from a clean metallic surface induced by the impact of a fast primary electron. Assuming a direct scattering between the incident, primary electron and the electron…

Mesoscale and Nanoscale Physics · Physics 2012-02-22 Konstantin A. Kouzakov , Jamal Berakdar

Sufficiently strong electric fields in plasmas can accelerate charged particles to relativistic energies. In this paper we describe the dynamics of positrons accelerated in such electric fields, and calculate the fraction of created…

Plasma Physics · Physics 2018-11-07 Ola Embréus , Linnea Hesslow , Mathias Hoppe , Gergely Papp , Katya Richards , Tünde Fülöp

Planetary systems discovered by the Kepler space telescope exhibit an intriguing feature. While the period ratios of adjacent low-mass planets appear largely random, there is a significant excess of pairs that lie just wide of resonances…

Earth and Planetary Astrophysics · Physics 2012-09-04 Yoram Lithwick , Yanqin Wu

We investigate a stationary pair production cascade in the outer magnetosphere of a spinning neutron star. The charge depletion due to global flows of charged particles, causes a large electric field along the magnetic field lines.…

Astrophysics · Physics 2007-05-23 Kouichi Hirotani , Shinpei Shibata

Ultra strong electromagnetic fields can lead to spontaneous creation of single or multiple electron-positron pairs. A quantum field theoretical treatment of the pair creation process combined with numerical methods provides a description of…

Quantum Physics · Physics 2016-07-26 Anton Wöllert , Heiko Bauke , Christoph H. Keitel
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