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Entropy of Sonic Black Hole in the Brick Wall Approach |
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| Authors: | Shi-Xiong Song and Ji-Rong Ren |
| Institution: | 1.Institute of Theoretical Physics,Lanzhou University,Lanzhou,China |
| Abstract: | We calculate the free energy and the entropy of a massive scalar field in a sonic black hole by using the brick wall method. The leading order entropy turns out to be precisely in agreement with the entropy-area law. |
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