Embedding into flat spacetime and black hole thermodynamics
arXiv:1908.09074 · doi:10.1142/S0217732320500133
Abstract
It is known that static and spherically symmetric black hole solutions of general relativity in different spacetimes can be embedded into higher dimensional flat spacetime. Given this result, we have explored the thermodynamic nature of black holes á la its embedding into flat spacetime. In particular, we have explicitly demonstrated that black hole temperature can indeed be determined starting from the embedding and hence mapping of the static observers in black hole spacetime to Rindler observers in flat spacetime. Furthermore, by considering the dynamics of a scalar field in the flat spacetime it is indeed possible to arrive at the area scaling law for black hole entropy. Thus using flat spacetime field theory, one can indeed provide a thermodynamic description of black holes. Implications are also discussed.
arXiv commentPublished version, 16 pages, no figures
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