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2009 | 7 | 3 | 521-526
Tytuł artykułu

Rediscussion of charged dilaton-axion black hole entropy

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
We rediscuss the entropy of a charged dilaton-axion black hole for both the asymptotically flat and non-flat cases by using the thin film brick-wall model. This improved method avoids some drawbacks in the original brick-wall method such as the small mass approximation, neglecting the logarithm term, and taking the term L 3 as the contribution of the vacuum surrounding the black hole. The entropy we obtain turns out to be proportional to the horizon area of the black hole, conforming to the Bekenstein-Hawking area-entropy formula for black holes.
Wydawca

Czasopismo
Rocznik
Tom
7
Numer
3
Strony
521-526
Opis fizyczny
Daty
wydano
2009-09-01
online
2009-06-25
Twórcy
autor
  • School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian, Liaoning, 116024, P. R. China, wangchunyan5800@yahoo.cn
autor
  • School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian, Liaoning, 116024, P. R. China, guiyx@dlut.edu.cn
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11534-009-0011-2
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