Boson entropy in the NUT-Kerr-Newman black holes in the background of de Sitter space-time

Details Boson entropy in the NUT-Kerr-Newman black holes in the background of de Sitter space-time Boson entropy in the NUT-Kerr-Newman black holes in the background of de Sitter space-time

Feb 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003acasn..44...80g&link_type=abstract

Acta Astronomica Sinica, vol. 44, no. 1, p. 80-86.

Physics

1

Black Holes Physics

Scientific paper

It is well known that the Euler characteristics of most black holes is 2(or 0), only NUT-Kerr-Newman black hole whose Euler characteristics is over 2.Therefore, it is significant to calculate the entropy in the NUT-Kerr-Newman black holes. The entropy of boson field in the NUT-Kerr-Newman black holes in the background of the de Sitter space-time is calculated by using the improved brick-wall method--membrane model. The results evinced that as the cut-off is properly chosen, the entropy in the black hole satisfies Bekenstein-Hawking area law.

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