Therefore, we find the quantum states density becomes finite near the horizon of black hole and the divergence of entropy in the brick wall model is removed without any unnatural cutoff.
这样我们发现黑洞视界附近的量子态密度变得有限，从而消除了砖墙模型中熵的发散而不需要采取任何不自然的截断。
The entropies of quantum fields on event horizon of a toroidal black hole are given using the improved brick-wall model.
按薄层模型的观点，在视界面附近薄层上的量子场的熵就是黑洞的熵。
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