Journal
PHYSICAL REVIEW LETTERS
Volume 112, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.040402
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Funding
- Polish-French bilateral programme POLONIUM [27742UE]
- Polish National Science Center [DEC-2012/04/A/ST2/00088]
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The Gross-Pitaevskii equation-which describes interacting bosons in the mean-field approximation-possesses solitonic solutions in dimension one. For repulsively interacting particles, the stationary soliton is dark, i.e., is represented by a local density minimum. Many-body effects may lead to filling of the dark soliton. Using quasiexact many-body simulations, we show that, in single realizations, the soliton appears totally dark although the single particle density tends to be uniform.
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