变加速直线运动黑洞的温度和Dirac场的熵

Entropy of Dirac field in a rectilinearly nonuniformly accelerating Kinnersley black hole

采用Tortoise坐标变换,约化视界面附近Dirac场方程,得到Kinnersley黑洞的Hawking温度.用薄膜brick-wall模型,计算Kinnersley黑洞的熵,得到通过选择适当的截断因子和薄层,在视界面附近薄层上的熵就是黑洞的熵,结果表明黑洞熵与视界面积成正比.

Using the Tortoise coordinate transformation and the Dirac field equation near the event horizon,the Hawking temperature of Kinnersley black hole is obtained.Meanwhile,adopting thin film brick-wall model,the entropy of Kinnersley black hole is calculated.The entropy near the event horizon is shown to be the entropy of black hole by regulating the cut-off parameter and the thin film＇s thickness properly.The results show that the entropy of the black hole is proportional to the area of the event horizon.