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首页> 外文期刊>Journal of Experimental and Theoretical Physics >Black Hole Evaporation in a Noncommutative Charged Vaidya Model
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Black Hole Evaporation in a Noncommutative Charged Vaidya Model

机译:非可交换带电Vaidya模型中的黑洞蒸发

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We study the black hole evaporation and Hawking radiation for a noncommutative charged Vaidya black hole. For this purpose, we determine a spherically symmetric charged Vaidya model and then formulate a noncommutative Reissner-Nordstr?m-like solution of this model, which leads to an exact (t - r)-depen-dent metric. The behavior of the temporal component of this metric and the corresponding Hawking tem-perature are investigated. The results are shown in the form of graphs. Further, we examine the tunneling pro-cess of charged massive particles through the quantum horizon. We find that the tunneling amplitude is mod-ified due to noncommutativity. Also, it turns out that the black hole evaporates completely in the limits of large time and horizon radius. The effect of charge is to reduce the temperature from a maximum value to zero. We note that the final stage of black hole evaporation is a naked singularity.
机译:我们研究了非交换带电Vaidya黑洞的黑洞蒸发和Hawking辐射。为此,我们确定一个球对称带电的Vaidya模型,然后制定该模型的非可交换Reissner-Nordstr?m类解,从而得出精确的(t-r)-依赖度度量。研究了该度量的时间分量的行为以及相应的霍金温度。结果以图表形式显示。此外,我们研究了带电大颗粒穿过量子视界的隧穿过程。我们发现,由于非可交换性,隧穿幅度被修改。而且,事实证明,黑洞在较大的时间和视界半径的范围内完全蒸发。电荷的作用是将温度从最大值降低到零。我们注意到黑洞蒸发的最后阶段是裸奇点。

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