Advanced search
Start date
Betweenand
Related content
(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Phantom accretion by black holes and the generalized second law of thermodynamics

Full text
Author(s):
Lima, J. A. S. [1] ; Pereira, S. H. [1, 2] ; Horvath, J. E. [1] ; Guariento, Daniel C. [3]
Total Authors: 4
Affiliation:
[1] Univ Sao Paulo, Inst Astron Geofis & Ciencias Atmosfericas, BR-05508090 Sao Paulo - Brazil
[2] Univ Fed Itajuba, BR-35900373 Itabira, MG - Brazil
[3] Univ Sao Paulo, Inst Fis, BR-05508090 Sao Paulo - Brazil
Total Affiliations: 3
Document type: Journal article
Source: Astroparticle Physics; v. 33, n. 5-6, p. 292-295, JUN-JUL 2010.
Web of Science Citations: 7
Abstract

The accretion of a phantom fluid with non-zero chemical potential by black holes is discussed with basis on the generalized second law of thermodynamics. For phantom fluids with positive temperature and negative chemical potential we demonstrate that the accretion process is possible, and that the condition guaranteeing the positiveness of the phantom fluid entropy coincides with the one required by the generalized second law. (C) 2010 Elsevier B.V. All rights reserved. (AU)

FAPESP's process: 04/13668-0 - Cosmology in the era of precision: dark energy, dark matter and background cosmic radiation
Grantee:Jose Ademir Sales de Lima
Support Opportunities: Research Projects - Thematic Grants