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Abstract:

The magnetosphere structure of compact objects is considered in the context of a theory of gravity with dynamical torsion field beyond standard General Relativity (GR). To this end, a new spherically symmetric solution is obtained in this theoretical framework, physically representing a compact object of pseudoscalar fields (for example, axion field). The axially symmetric version of the Grad-Shafranov equation (GSE) is also derived in this context, and used to describe the magnetosphere dynamics of the obtained "axion star". The interplay between high-energy processes and the seed magnetic field with respect to the global structure of the magnetosphere is briefly discussed. © 2019 World Scientific Publishing Company.

Registro:

Documento: Artículo
Título:Beyond general relativity models, magnetosphere structure and dark matter stars
Autor:Cirilo-Lombardo, D.J.; Minotti, F.O.
Filiación:Instituto de Fisica Del Plasma (INFIP), CONICET, Universidad de Buenos Aires, Buenos Aires, Argentina
Departamento de Fisica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna (Moscow Region), 141980, Russian Federation
Palabras clave:dark matter stars; magnetosphere structures; Non Riemannian manifolds; topology
Año:2019
DOI: http://dx.doi.org/10.1142/S0219887819500646
Título revista:International Journal of Geometric Methods in Modern Physics
Título revista abreviado:Int. J. Geom. Methods Mod. Phys.
ISSN:02198878
Registro:http://digital.bl.fcen.uba.ar/collection/paper/document/paper_02198878_v_n_p_CiriloLombardo

Citas:

---------- APA ----------
Cirilo-Lombardo, D.J. & Minotti, F.O. (2019) . Beyond general relativity models, magnetosphere structure and dark matter stars. International Journal of Geometric Methods in Modern Physics.
http://dx.doi.org/10.1142/S0219887819500646
---------- CHICAGO ----------
Cirilo-Lombardo, D.J., Minotti, F.O. "Beyond general relativity models, magnetosphere structure and dark matter stars" . International Journal of Geometric Methods in Modern Physics (2019).
http://dx.doi.org/10.1142/S0219887819500646
---------- MLA ----------
Cirilo-Lombardo, D.J., Minotti, F.O. "Beyond general relativity models, magnetosphere structure and dark matter stars" . International Journal of Geometric Methods in Modern Physics, 2019.
http://dx.doi.org/10.1142/S0219887819500646
---------- VANCOUVER ----------
Cirilo-Lombardo, D.J., Minotti, F.O. Beyond general relativity models, magnetosphere structure and dark matter stars. Int. J. Geom. Methods Mod. Phys. 2019.
http://dx.doi.org/10.1142/S0219887819500646