Phonon tunnels across a sonic horizon

Details Phonon tunnels across a sonic horizon Phonon tunnels across a sonic horizon

2011-08-15

arxiv.org/abs/1108.2916v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Scientific paper

We consider phonon tunneling in sonic black hole by WKB approximation method without the backreaction, in which the relativistic momentum-energy equation is used. We also study the WKB loop (closed path) integral [B. D. Chowdhury, Pramana70:3-26, 2008] in sonic black hole case and discuss the equivalence of the results of some cases from the two different tunneling probability expression in Painlev\'e-like coordinates.

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