因果视界的熵
Entropy of Causal Horizons
摘要：
我们用视界分析时空，并研究因果视界的热力学方面，这表明引力和热力学系统之间的相似性有更深层次的量子力学起源。我们发现，这种视界的观测者依赖性是将温度和熵与时空联系起来的直接结果。视界作为信息流的单向膜的几何图像可以被接受为将量子场论分配给有边界时空的自然解释，最终导致与热力学的密切联系。
英文摘要：
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.
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