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TMF, 2017, Volume 190, Number 2, Pages 207–225 (Mi tmf9134)  

Influence of the pseudoscalar condensate gradient on the cooling regime of compact stars

A. A. Andrianovab, V. A. Andrianova, D. Espriub, S. S. Kolevatova

a Saint Petersburg State University, St. Petersburg, Russia
b Departament d'Estructura i Constituents de la Matèria and Institut de Ciències del Cosmos, Universitat de Barcelona Martì i Franquès 1, Barcelona, Spain

Abstract: We consider the processes in compact stars that arise during the potential formation of a pseudoscalar condensate in finite volumes. We do not propose specific hypotheses about the nature of this condensate. Considering that in the regions with a changing pseudoscalar density, photon propagation can be described in the framework of Maxwell–Chern–Simons electrodynamics, we find the reflection/transmission coefficients for regions with different densities. We study the fermion spectrum in the presence of an axial field considering the pseudoscalar condensate gradient. We also study the influence of the modified photon and fermion spectra on the cooling process of compact stars.

Keywords: compact star, pseudoscalar condensate, Maxwell–Chern–Simons electrodynamics, edge effect

Funding Agency Grant Number
Ministerio de Economía y Competitividad MDM-2014-0369
FPA2013-46570
2014-SGR-104
Russian Foundation for Basic Research 16-02-00348
Saint Petersburg State University 11.42.1049.2016
11.42.1051.2016
11.41.821.2015
Dynasty Foundation
This research was supported by grants FPA2013-46570, 2014-SGR-104, and Consolider CPAN and in part by the Ministerio de Economía, Industria y Competitividad (MINECO) (project MDM-2014-0369).
The research of A. A. Andrianov was supported by the Russian Foundation for Basic Research (Grant No. 16-02-00348) and St. Petersburg State University (Grant No. 11.42.1049.2016).
The research of V. A. Andrianov was supported by the Russian Foundation for Basic Research (Grant No. 16-02-00348) and St. Petersburg State University (Grant No. 11.42.1051.2016).
The research of S. S. Kolevatov was supported by the Russian Foundation for Basic Research (Grant No. 16-02-00348), St. Petersburg State University (Grant No. 11.41.821.2015), and the Dynasty Foundation.


DOI: https://doi.org/10.4213/tmf9134

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English version:
Theoretical and Mathematical Physics, 2017, 190:2, 177–192

Bibliographic databases:

Document Type: Article
Received: 23.12.2015
Revised: 17.03.2016

Citation: A. A. Andrianov, V. A. Andrianov, D. Espriu, S. S. Kolevatov, “Influence of the pseudoscalar condensate gradient on the cooling regime of compact stars”, TMF, 190:2 (2017), 207–225; Theoret. and Math. Phys., 190:2 (2017), 177–192

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  • Теоретическая и математическая физика Theoretical and Mathematical Physics
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