Hawking Radiation of a d-Dimensional Black Hole with Quantum Correction

Hawking Radiation of a d-Dimensional Black Hole with Quantum Correction
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具有量子校正的 d 维黑洞霍金辐射

DOI:
10.1088/0253-6102/59/2/06
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发表时间:
2013-02
影响因子:
3.1
通讯作者:
陈松柏
陈松柏
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
尹芬芬;陈松柏

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研究了由聚合物量子化引起的量子修正下的d维黑洞标量场的吸收几率和Hawking辐射。我们发现,量子长度尺度k(即,反弹半径)修改了灰体因子和膜上和体中的霍金辐射的标准结果。对于质量M较大的黑洞,四维黑洞时空中的参数k的影响与高维情况完全不同。当黑洞M的质量很小时,我们还发现只有膜上的灰体因子的变化率关于维数的符号与反弹半径k有很大的关系。这些信息可以帮助我们更多地了解额外维度和量子校正的黑洞。
We study the absorption probability and Hawking radiation of the scalar field in a d-dimensional black hole with quantum correction arising from the polymer quantization. We find that the quantum length scale k (i.e., the bounce radius) modifies the standard results in greybody factors and Hawking radiation on the brane and into the bulk. For the black hole with the larger mass M the effects of the parameter k in the four-dimensional black hole spacetime are entirely different from those in the high dimensional cases. When the mass of black hole M becomes very small, we also find that only the sign of the change rate of the greybody factors on the brane with respect to the dimensional number depends sharply on the bounce radius k. These information can help us know more about the extra dimension and the black holes with quantum correction.
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