1.By using of the brick wall mode,we calculate the free energy and the entropy of the sca lar field in static spherically symmetric black hole background,and get the mathematical expre ssion of free energy and the entropy. When the static spherically symmetric black hole are Schwarzschild black hole,Ressonr Nordstrom black hole and Dilation black hole,the expression of entropy turn to be Schwarzschild black hole,Ressnor Nordstrom black hole and Dilaton black hole.
本文运用brick?wal模型计算了一般静态球对称黑洞背景下标量场的自由能和熵，得到了自由能和熵的一般表达式，且当静态球对称黑洞为Schwarzschild黑洞、Ressnor?Nord?strom黑洞、Dilaton黑洞时，熵的表达式相应的化为Schwarzschild黑洞、Resnor?Nordstrom黑洞、Dilaton黑洞的熵．
2.Using the thin film brick-wall model and WKB approximation,the entropy of the scalar quanti-ty field in the non-stationary and slowly changing Reissner-Nordstr m(R-N)black hole is calculated.
采用薄膜brick-wall模型,运用WKB近似,计算了缓变动态Reissner-Nordstr m黑洞的标量场的熵.
3.The entropies of quantum fields on event horizon of a toroidal black hole are given using the improved brick-wall model.
利用薄层 (改进的brick wall模型 ) ,通过分别求解标量场方程和Dirac场方程 ,计算了环面黑洞事件视界附近的标量场和Dirac场的量子统计熵 .
4.Selecting the advanced Eddington coordinates and adopting the thin film brick wall model, we calculate the entropy of the straightly accelerating non stationary black hole expressed by Kinnersley metric.
选取超前爱丁顿坐标 ,采用薄膜brick wall模型 ,计算Kinnersley度规表述的直线加速运动动态黑洞的熵 .
5.Quantum correction to the entropy of a Schwarzschild black hole due to high spin fields of gravitation and electromagnetism was studied by brick wall model.
利用brick wall模型研究具有高自旋的引力场和电磁场对Schwarzschild黑洞熵的量子修正 .
6.Taking into account the effect of the generalized uncertainty principle on the quantum state density, the difficulty of the divergence of the state density near the event horizon in the brick-wall model is removed.
用广义不确定原理对量子态密度进行修正,克服了brick-wall模型中视界附近态密度的发散困难,该薄层可以紧贴在事件视界上.
7.Making use of Klein-Gordon equation,thin film brick-wall model and WKB approximation,we find the entropy of Vaidya-Bonner black hole and this entropy is proportional to the area of event horizon.
利用Klein Gordon方程和薄膜Brick Wall模型 ,并采用WKB近似方法 ,求出了Vaidya Bonner黑洞的熵 ,所得的熵正好与该黑洞的视界面积成正比 .
8.These calculation and discussion imply that the high density quantum states near the event horizon are strongly correlated with the quantum states in black hole and the ultraviolet cut-off in the brick-wall model is not reasonable.
计算和讨论表明:黑洞事件视界外部附近的高密度量子态与黑洞内部有强关联,brick-wall模型中的紫外截断是不合理的.
9.By using the improved brick-wall model in this paper we obtain the statistical entropy of the Dirac field of Reissner-Nordstr? m black holes.
利用改进的brick-wall模型,给出了Reissner-Nordstr m黑洞Dirac场的熵.
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