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High Energy Physics - Phenomenology

arXiv:1503.00608 (hep-ph)
[Submitted on 2 Mar 2015 (v1), last revised 16 May 2015 (this version, v2)]

Title:Galvano-rotational effect induced by electroweak interactions in pulsars

Authors:Maxim Dvornikov (University of São Paulo, IZMIRAN, Tomsk State University)
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Abstract:We study electroweakly interacting particles in rotating matter. The existence of the electric current along the axis of the matter rotation is predicted in this system. This new galvano-rotational effect is caused by the parity violating interaction between massless charged particles in the rotating matter. We start with the exact solution of the Dirac equation for a fermion involved in the electroweak interaction in the rotating frame. This equation includes the noninertial effects. Then, using the obtained solution, we derive the induced electric current which turns out to flow along the rotation axis. We study the possibility of the appearance of the galvano-rotational effect in dense matter of compact astrophysical objects. The particular example of neutron and hypothetical quark stars is discussed. It is shown that, using this effect, one can expect the generation of toroidal magnetic fields comparable with poloidal ones in old millisecond pulsars. We also briefly discuss the generation of the magnetic helicity in these stars. Finally we analyze the possibility to apply the galvano-rotational effect for the description of the asymmetric neutrino emission from a neutron star to explain pulsars kicks.
Comments: 18 pages in JCAP LaTeX style, 2 tables, 1 eps figure, paper is significantly revised, title is slightly changed, new sec. 6, devoted to pulsar kicks, and new appendix are added, several new references are included, some misprints are corrected, version to be published in JCAP
Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Astrophysical Phenomena (astro-ph.HE); General Relativity and Quantum Cosmology (gr-qc)
Cite as: arXiv:1503.00608 [hep-ph]
  (or arXiv:1503.00608v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1503.00608
Journal reference: JCAP05(2015)037
Related DOI: https://doi.org/10.1088/1475-7516/2015/05/037

Submission history

From: Maxim Dvornikov [view email]
[v1] Mon, 2 Mar 2015 16:50:35 UTC (16 KB)
[v2] Sat, 16 May 2015 17:54:13 UTC (27 KB)
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