作者: A. Smerzi , S. Fantoni , S. Giovanazzi , S. R. Shenoy
DOI: 10.1103/PHYSREVLETT.79.4950
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摘要: … It has a quantum nature, involving the coherence of a macroscopic number of atoms. It differs from single polaron trapping of an electron in a medium [17] and from external gravitational …