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arXiv 1707.00403gr-qc
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对“具有精粹的Kerr时空中的Casimir效应”一文的评论

Comments on "Casimir Effect in the Kerr spacetime with Quintessence"

Bobir Toshmatov, Zdeněk Stuchlík, Bobomurat Ahmedov

摘要:

本文对[B]中导出的无质量Kerr黑洞中无质量标量场的Casimir能量进行了重新计算。Toshmatov,Z. Stuchlik和B. Ahmedov,Eur. Phys. J. Plus { \bf 132},98(2017)]及其与最近在[V. B. Bezerra,M. S.库尼亚湖F. F. Freitas和C. R. Muniz,Mod. Phys. Lett. A { \bf 32},1750005(2017)]在时空中[S. G. Ghosh,Eur. J. C { \bf 76},222(2016)]。我们已经证明,在更现实的时空中,不存在这里所说明的失败,卡西米尔能量明显大于[V.B. Bezerra,M. S.库尼亚湖F. F. Freitas和C. R. Muniz,Mod. Phys. Lett. A { \bf 32},1750005(2017)],这种差异变得至关重要,特别是在时空的近视界区域。

英文摘要:

This comment is devoted to the recalculation of the Casimir energy of a massless scalar field in the Kerr black hole surrounded by quintessence derived in [B. Toshmatov, Z. Stuchlík and B. Ahmedov, Eur. Phys. J. Plus {\bf 132}, 98 (2017)] and its comparison with the results recently obtained in [V. B. Bezerra, M. S. Cunha, L. F. F. Freitas and C. R. Muniz, Mod. Phys. Lett. A {\bf 32}, 1750005 (2017)] in the spacetime [S. G. Ghosh, Eur. Phys. J. C {\bf 76}, 222 (2016)]. We have shown that in the more realistic spacetime which does not have the failures illustrated here, the Casimir energy is significantly bigger than that derived in [V. B. Bezerra, M. S. Cunha, L. F. F. Freitas and C. R. Muniz, Mod. Phys. Lett. A {\bf 32}, 1750005 (2017)], and the difference becomes crucial especially in the regions of near horizons of the spacetime.

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