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PHONON EMISSION FROM ACOUSTIC BLACK HOLE

HENGZHONG FANG

College of Science, China University of Petroleum, No. 66 Changjiang Road, Qingdao, 266580, China

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KAIHU ZHOU

College of Science, China University of Petroleum, No. 66 Changjiang Road, Qingdao, 266580, China

Corresponding author.

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, and

YUMING SONG

College of Science, China University of Petroleum, No. 66 Changjiang Road, Qingdao, 266580, China

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https://doi.org/10.1142/S0217732312501404Cited by:0 (Source: Crossref)

Abstract

We study the phonon tunneling through the horizon of an acoustic black hole by solving the Hamilton–Jacobi equation. We also make use of the closed-path integral to calculate the tunneling probability, and an improved way to determine the temporal contribution is used. Both the results from the two methods agree with Hawking's initial analysis.

Keywords:

PACS: 04.70.Dy, 43.35.Gk

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