期刊
PHYSICAL REVIEW LETTERS
卷 85, 期 22, 页码 4643-4647出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.85.4643
关键词
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It is shown that, in dilute-gas Bose-Einstein condensates, there exist both dynamically stable and unstable configurations which, in the hydrodynamic limit, exhibit a behavior resembling that of gravitational black holes. The dynamical instabilities involve creation of quasiparticle pairs in positive and negative energy states, as in the well-known suggested mechanism for black-hole evaporation. We propose a scheme to generate a stable sonic black hole in a ring trap.
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