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篇目详细内容 |
【篇名】 |
Hawking radiation from a Vaidya black hole by Hamilton–Jacobi method |
【刊名】 |
Frontiers of Physics (Formerly known as Frontiers of Physics in China) |
【刊名缩写】 |
Front. Phys |
【ISSN】 |
2095-0462 |
【EISSN】 |
2095-0470 |
【DOI】 |
10.1007/s11467-010-0114-7 |
【出版社】 |
Higher Education Press and Springer-Verlag Berlin
Heidelberg |
【出版年】 |
2011 |
【卷期】 |
6
卷1期 |
【页码】 |
106-108
页,共
3
页 |
【作者】 |
Han
DING (丁翰);
Wen-biao
LIU (刘文彪);
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【关键词】 |
Vaidya black hole; Hawking radiation; apparent horizon; event horizon; thermodynamics |
【摘要】 |
Using the Hamilton–Jacobi method, Hawking radiation from the apparent horizon of a dynamical Vaidya black hole is calculated. The black hole thermodynamics can be built successfully on the apparent horizon. If a relativistic perturbation is given to the apparent horizon, a similar calculation can also lead to a purely thermal spectrum, which corresponds to a modified temperature from the former. The first law of thermodynamics can also be constructed successfully at a new supersurface which has a small deviation from the apparent horizon. When the event horizon is thought as such a deviation from the apparent horizon, the expressions of the characteristic position and temperature are consistent with the previous result that asserts that thermodynamics should be built on the event horizon. It is concluded that the thermodynamics should be constructed on the apparent horizon exactly while the event horizon thermodynamics is just one of the perturbations near the apparent horizon. |
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