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Phys. Rev. D 71, 084006 (2005) [7 pages]

Quasinormal ringing for acoustic black holes at low temperature

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Hiroyuki Nakano, Yasunari Kurita, Kouji Ogawa, and Chul-Moon Yoo
Department of Mathematics and Physics, Graduate School of Science, Osaka City University, Osaka 558-8585, Japan

Received 17 November 2004; published 5 April 2005

We investigate a condensed matter “black hole” analog, taking the Gross-Pitaevskii (GP) equation as a starting point. The linearized GP equation corresponds to a wave equation on a black hole background, giving quasinormal modes under some appropriate conditions. We suggest that we can know the detailed characters and corresponding geometrical information about the acoustic black hole by observing quasinormal ringdown waves in the low temperature condensed matters.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.71.084006
DOI:
10.1103/PhysRevD.71.084006
PACS:
04.70.Bw, 47.90.+a