期刊
PHYSICAL REVIEW LETTERS
卷 95, 期 20, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.95.200401
关键词
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资金
- Deutsche Forschungsgemeinschaft through the Priority Programme [SPP 1116]
- Wechselwirkung in ultrakalten Atom- und Molekulgasen
- Studienstiftung des deutschen Volkes
We study many-body tunneling of a small Bose-Einstein condensate in a periodically modulated, tilted double-well potential. Periodic modulation of the trapping potential leads to an analog of photon-assisted tunneling, with distinct signatures of the interparticle interaction visible in the amount of particles transferred from one well to the other. In particular, under experimentally accessible conditions there exist well-developed half-integer Shapiro-like resonances.
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