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Howard, E.M. (2010) Causal Structure of General Relativistic Spacetimes. AIP Conference Proceedings, 1246, 127. arXiv:gr-qc/1601.06864
https://doi.org/10.1063/1.3460187

has been cited by the following article:

• TITLE: Entropy of Causal Horizons

  AUTHORS: Eric M. Howard

  KEYWORDS: Black Hole Entropy, Causal Horizon, Black Hole Horizon, Black Hole Thermodynamics, Rindler Spacetime, Rindler Horizon, Quantum Gravity, Thermodynamics of Spacetime

  JOURNAL NAME: Journal of Applied Mathematics and Physics, Vol.4 No.12, December 29, 2016

  ABSTRACT: We analyze spacetimes with horizons and study the thermodynamic aspects of causal horizons, suggesting that the resemblance between gravitational and thermodynamic systems has a deeper quantum mechanical origin. We find that the observer dependence of such horizons is a direct consequence of associating a temperature and entropy to a spacetime. The geometrical picture of a horizon acting as a one-way membrane for information flow can be accepted as a natural interpretation of assigning a quantum field theory to a spacetime with boundary, ultimately leading to a close connection with thermodynamics.