| Original Articles |
|
|
|
|
An Improved Thin Film Brick-Wall Model of Black Hole Entropy |
| LIU Wen-Biao; ZHAO Zheng |
| Department of Physics, Institute of Theoretical Physics, Beijing Normal University, Beijing 100875 |
|
| Cite this article: |
|
LIU Wen-Biao, ZHAO Zheng 2001 Chin. Phys. Lett. 18 310-312 |
|
|
|
|
Abstract We improve the brick-wall model to take only the contribution of a thin film near the event horizon into account. This improvement not only gives us a satisfactory result, but also avoids some drawbacks in the original brick-wall method such as the little mass approximation, neglecting logarithm term, and taking the term L3 as the contribution of the vacuum surrounding a black hole. It is found that there is an intrinsic relation between the event horizon and the entropy. The event horizon is the characteristic of a black hole, so the entropy calculating of a black hole is also naturally related to its horizon.
|
| Keywords:
97.60.Lf
04.70.Dy
05.30.Ch
|
|
|
Published: 01 February 2001
|
|
| PACS: |
97.60.Lf
|
(Black holes)
|
| |
04.70.Dy
|
(Quantum aspects of black holes, evaporation, thermodynamics)
|
| |
05.30.Ch
|
(Quantum ensemble theory)
|
|
|
|
|
|
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
