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Abstract:

The relaxation time of a gravitationally bounded cloud of bosons is estimated for the case of a large phase-space density of particles. The axionic mass and self-coupling relaxation time are compatible to the age of the Universe if the escape velocity and the mass in the core region satisfy the relation M < 108ve 5 2φ10 - 1 4M⊙. In the central part of such a cloud an axionic cosmic matter with luminosity ∼ 10-2vr 5 2φ10 - 1 4M⊙/yr will form. An upper bound on the self-coupling is obtained provided the mass distribution in galaxies is dominated by this kind of dark matter. © 1991.

Registro:

Documento: Artículo
Título:On the possibility of Bose-star formation
Autor:Tkachev, I.I.
Filiación:Institute for Nuclear Research of the USSR Academy of Sciences, 60th October Anniversary Prospect 7a, SU-117 312 Moscow, USSR1 1 Permanent address.
Instituto de Astronomía y Fisica del Espacio, Casilla de Correo 67, Sucursal 28, 1428 Buenos Aires, Argentina
Año:1991
Volumen:261
Número:3
Página de inicio:289
Página de fin:293
DOI: http://dx.doi.org/10.1016/0370-2693(91)90330-S
Título revista:Physics Letters B
Título revista abreviado:Phys Lett Sect B Nucl Elem Part High-Energy Phys
ISSN:03702693
CODEN:PYLBA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03702693_v261_n3_p289_Tkachev

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Citas:

---------- APA ----------
(1991) . On the possibility of Bose-star formation. Physics Letters B, 261(3), 289-293.
http://dx.doi.org/10.1016/0370-2693(91)90330-S
---------- CHICAGO ----------
Tkachev, I.I. "On the possibility of Bose-star formation" . Physics Letters B 261, no. 3 (1991) : 289-293.
http://dx.doi.org/10.1016/0370-2693(91)90330-S
---------- MLA ----------
Tkachev, I.I. "On the possibility of Bose-star formation" . Physics Letters B, vol. 261, no. 3, 1991, pp. 289-293.
http://dx.doi.org/10.1016/0370-2693(91)90330-S
---------- VANCOUVER ----------
Tkachev, I.I. On the possibility of Bose-star formation. Phys Lett Sect B Nucl Elem Part High-Energy Phys. 1991;261(3):289-293.
http://dx.doi.org/10.1016/0370-2693(91)90330-S