共查询到16条相似文献,搜索用时 93 毫秒
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在任意加速带电动态时空中,选取零标架、计算出旋系数,把四个耦合的Dirac方程中化成两个耦合的方程,采用Tortoise坐标变换将其两个耦合的方程变换成Tortoise坐标下的形式,在黑洞视界面附近化成了典型的波动方程,得到在视界面附近Dirac粒子的Hawking辐射温度,成功地导出了Hawking热谱公式.
关键词:
Dirac方程
Hawking辐射
黑洞
Tortoise坐标变换 相似文献
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参照在Minkowski时空中,从粒子的相对论性经典理论过渡到量子理论,建立标量粒子和旋量粒子的相对论性波动方程的方案,在Beltrami-de Sitter时空中建立了de Sitter不变的标量粒子和旋量粒子的相对论性量子力学的基本方程,它们恰恰分别是Beltrami-de Sitter时空中的Klein-Gordon方程和Dirac方程。在Beltrami-anti de Sitter时空的同时类空超曲面簇上求解了这些方程,得到了分立的本征值和相应的本征函数。
关键词: 相似文献
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在直线加速Kinnersley时空中,将相互耦合的Dirac方程化为二阶方程,采用新的乌龟坐标变换,在视界面附近消除二阶方程中的耦合化成了标准波动方程,得到辐射温度函数和Hawking热辐射谱. 相似文献
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在直线加速Kinnersley时空中,将相互耦合的Dirac方程化为二阶方程,采用新的乌龟坐标变换,在视界面附近消除二阶方程中的耦合化成了标准波动方程,得到辐射温度函数和Hawking热辐射谱.
关键词:
黑洞
Dirac方程
乌龟坐标变换
Hawking辐射 相似文献
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本文研究任意Kerr-Newman黑洞视界曲面上荷电Dirac粒子的Hawking辐射,首先构造了一套“对称零标架”,用这套零标架计算了旋系数,导出了Dirac方程,在视界曲面附近解Dirac方程。得到荷电Dirac粒子四分量波函数的显示表式。利用解析延拓技巧,最后得到荷电Dirac粒子Hawking辐射的热谱公式。
关键词: 相似文献
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The Hawking radiation of Dirac particles on the event horizon of a nonuniformly rectilinearly accelerating black hole is studied in this paper. First, we construct the symmetrized null tetrad from which the spin coefficients and Dirac equation are derived. Next, by proposing generalized tortoise coordinate transformation, the decoupling problem of the Dirac equation with nonzero rest mass is solved. Finally, by analytic continuation, the Hawking thermal spectrum formula of Dirac particle for nonuniformly rectilinearly accelerating black hole is obtained. 相似文献
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The solutions of both the Klein-Gordon equation and the Dirac equation near the event horizons are given in the Vaidya-de Sitter space-time. With a new method the locations of the black hole event horizon and universe horizon, as well as their Hawking temperatures, are shown automatically and easily. 相似文献
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In this paper, we derive the deformed Hamilton-Jacobi equations from the generalized Klein-Gordon equation and generalized Dirac equation. Then, we study the tunneling rate, Hawking temperature and entropy of the higher-dimensional Reissner-Nordström de Sitter black hole via the deformed Hamilton-Jacobi equation. Our results show that the deformed Hamilton-Jacobi equations for charged scalar particles and charged fermions have the same expressions. Besides, the modified Hawking temperatures and entropy are related to the mass and charge of the black hole, the cosmology constant, the quantum number of emitted particles, and the term of GUP effects β. 相似文献
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The solutions of the Dirac equation Dear the black hole event horizon and the univers horizon in Vaidya-Schwarzschild-de Sitter space-time are given in this paper. Both the temperature of the Hawking radi-ation and the location of the evaporating black hole horizon and the universe horizon are determined exactly. 相似文献
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The solutions of the Dirac equation near the black hole event horizon and the universe horizon in the Vaidya-Schwarzschild-de Sitter space-time are given in this paper. Both the temperature of the Hawking radiation and the location of the evaporating black hole horizon and the universe horizon are determined exactly. 相似文献