Spontaneous rotation in one-dimensional systems of cold atoms

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dc.creatorTokuno, Akiyuki
dc.creatorSato, Masahiro
dc.date2007-12-04
dc.date2008-07-22
dc.date.accessioned2026-07-07T09:51:37Z
dc.date.available2026-07-07T09:51:37Z
dc.descriptionWe theoretically study harmonically trapped one-dimensional Bose gases (e.g., Li, Na, K, Rb, etc.) with multibands occupied, focusing on effects of higher-energy bands. Combining the Ginzburg-Landau theory with the bosonization techniques, we predict that the repulsive interaction between higher-band bosons and the quantum fluctuation can induce the ground state with a finite angular momentum around the trapped axis. In this state, the Z_2 reflection symmetry (clockwise or anticlockwise rotations) is spontaneously broken.
dc.description6 pages, 3 figures, final version
dc.identifierhttps://arxiv.org/abs/0712.0431
dc.identifierhttp://arxiv.org/abs/0712.0431
dc.identifierPhys. Rev. A 78, 013623 (2008)
dc.identifierdoi:10.1103/PhysRevA.78.013623
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/165309
dc.subjectOther Condensed Matter
dc.subjectStrongly Correlated Electrons
dc.titleSpontaneous rotation in one-dimensional systems of cold atoms
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