期刊
SCIENCE
卷 291, 期 5512, 页码 2386-2389出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1058149
关键词
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We report manipulation of the atom number statistics associated with Bose-Einstein condensed atoms confined in an array of weakly Linked mesoscopic traps. We used the interference of atoms released from the traps as a sensitive probe of these statistics. By controlling relative strengths of the tunneling rate between traps and atom-atom interactions within each trap, we observed trap states characterized by sub-Poissonian number fluctuations and adiabatic transitions between these number-squeeled states and coherent states of the atom field. The quantum states produced in this work may enable substantial gains in sensitivity for atom interference-based instruments as well as fundamental studies of quantum phase transitions.
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