Can wormholes have negative temperatures?

Details Can wormholes have negative temperatures? Can wormholes have negative temperatures?

2003-03-17

arxiv.org/abs/gr-qc/0303059v2

Mod.Phys.Lett. A21 (2006) 789-794

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages, typos corrected, 1 reference added

Scientific paper

We study (3+1) Morris-Thorne wormhole to investigate its higher dimensional embedding structures and thermodynamic properties. It is shown that the wormhole is embedded in (5+2) global embedding Minkowski space. This embedding enables us to construct the wormhole entropy and Hawking temperature by exploiting Unruh effects. We also propose a possibility of negative temperature originated from exotic matter distribution of the wormhole.

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