Black hole radiation with short distance dispersion, an analytical S-matrix approach
Black hole radiation with short distance dispersion, an analytical S-matrix approach
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DOI：
10.1103/physrevd.85.024021
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发表时间：
2011-08
影响因子：
5
通讯作者：
Antonin Coutant;R. Parentani;S. Finazzi
中科院分区：
文献类型：
--
作者：
Antonin Coutant;R. Parentani;S. Finazzi
使用连接公式计算存在短距离色散时霍金辐射的局域和非局域属性。通过表明相对论表达式的主要偏差随着近地平线区域的空间延伸的倒数而减小来解释频谱的鲁棒性和两点函数的鲁棒性。该区域对应于具有优选框架的德西特空间的一部分。我们证明了博戈柳波夫系数的相位与黑洞和白洞中的两点函数以及黑洞激光效应有关。我们还提出了用亚光速色散和超光速色散获得的光谱之间的意想不到的关系，并将我们的形式主义应用于大质量场。我们的预测通过数值分析得到验证。
Local and non-local properties of Hawking radiation in the presence of short distance dispersion are computed using connection formulae. The robustness of the spectrum and that of the two-point function are explained by showing that the leading deviations from the relativistic expressions decrease with the inverse of the spatial extension of the near horizon region. This region corresponds to a portion of de Sitter space with a preferred frame. We show that the phases of the Bogoliubov coecients are relevant for the two-point function in black and white holes, and also for the black hole laser eect. We also present an unexpected relation between the spectra obtained with sub and with superluminal dispersion and we apply our formalism to massive elds. Our predictions are validated by numerical analysis.