期刊
JOURNAL OF CHEMICAL PHYSICS
卷 115, 期 22, 页码 10078-10089出版社
AMER INST PHYSICS
DOI: 10.1063/1.1424926
关键词
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Helium nanodroplets and trapped Bose-Einstein condensates in dilute atomic gases offer complementary views of fundamental aspects of quantum many-body systems. We discuss analogies and differences, stressing their common theoretical background and peculiar features. We briefly review some relevant concepts, such as the meaning of superfluidity in finite systems, the behavior of elementary excitations and collective modes, as well as rotational properties and quantized vorticity. (C) 2001 American Institute of Physics.
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