Entropy of charged dilaton-axion black hole with minimal length revisited

• Authors: Chunyan Wang , Yuanxing Gui , Lili Xing
• Languages of publication: EN

Abstracts

EN

Using the generalized uncertainty principle, we calculate the entropy of the charged dilaton-axion black hole for both asymptotically flat and non-flat cases by counting degrees of freedom near the horizon. The divergence of density of states and free energy appearing in the thin film brick-wall model is removed without any cutoff. The entropy proportional to the horizon area is derived from the contribution of the vicinity of the horizon.

Keywords

EN

charged dilaton-axion black hole; residue theorem; entropy; thin film brick-wall model; generalized uncertainty principle

Discipline

• 97.60.Lf: Black holes(see also 04.70.-s Physics of black holes in—General relativity and gravitation; for galactic black holes, see 98.35.Jk and 98.62.Js)
• 04.70.Dy: Quantum aspects of black holes, evaporation, thermodynamics
• 04.62.+v: Quantum fields in curved spacetime

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2009
• Volume: 7
• Issue: 3
• Pages: 630-637

Dates

published

1 - 9 - 2009

online

25 - 6 - 2009

Contributors

author

Chunyan Wang

• School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian, Liaoning, 116024, P.R. China

author

Yuanxing Gui

• School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian, Liaoning, 116024, P.R. China

author

Lili Xing

• School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian, Liaoning, 116024, P.R. China

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Identifiers

DOI

10.2478/s11534-008-0151-9