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arXiv 1407.0966gr-qc
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D维Lifshitz黑洞中Dirac场的拟正规频率

Quasinormal frequencies of the Dirac field in a D-dimensional Lifshitz black hole

A. Lopez-Ortega

摘要:

在D维Lifshitz黑洞中,我们精确地计算了一个测试Dirac场在无质量和零角本征值极限下的拟正规频率。这些结果是以前的计算,其中的狄拉克场的准正规频率的确定,但在四维的延伸。我们讨论了拟正规频率表达式的四维极限,并与以前的结果进行了比较。我们还确定狄拉克场是否有不稳定的模式在D维Lifshitz时空。

英文摘要:

In a D-dimensional Lifshitz black hole we calculate exactly the quasinormal frequencies of a test Dirac field in the massless and zero angular eigenvalue limits. These results are an extension of the previous calculations in which the quasinormal frequencies of the Dirac field are determined, but in four dimensions. We discuss the four-dimensional limit of our expressions for the quasinormal frequencies and compare with the previous results. We also determine whether the Dirac field has unstable modes in the D-dimensional Lifshitz spacetime.

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