Tortoise coordinate and Hawking effect in the Kinnersley spacetime
Jian Yang, Zheng Zhao, Wenbiao Liu
TL;DR
This paper investigates the Hawking effect in Kinnersley spacetime using a new coordinate transformation, revealing that Hawking temperatures vary across the horizon and exploring the Rindler horizon's properties.
Contribution
It introduces an improved Damour-Ruffini method with a novel coordinate transformation to analyze Hawking radiation in Kinnersley spacetime.
Findings
Hawking temperature varies at different points on the horizon.
Hawking temperature of the Rindler horizon is specifically analyzed.
The relation between the Kinnersley black hole and Rindler horizon touches on thermodynamic principles.
Abstract
Hawking effect from the Kinnersley spacetime is investigated using the improved Damour-Ruffini method with a new coordinate transformation. Hawking temperature of the horizons can be obtained point by point. It is found that Hawking temperatures of different points on the horizons are different. Especially, Hawking temperature of Rindler horizon is investigated. The touch between a Kinnersley black hole and its Rindler horizon is considered, and it shows that the phenomenon is related to the third law of thermodynamics.
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Taxonomy
TopicsQuantum Electrodynamics and Casimir Effect · Black Holes and Theoretical Physics · Advanced Differential Geometry Research