Dynamics of One-dimensional Bose Liquids: Andreev-like Reflection at Y-junctions and Absence of the Aharonov-Bohm Effect

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Dynamics of One-dimensional Bose Liquids: Andreev-like Reflection at Y-junctions and Absence of the Aharonov-Bohm Effect

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Title: Dynamics of One-dimensional Bose Liquids: Andreev-like Reflection at Y-junctions and Absence of the Aharonov-Bohm Effect
Author: Tokuno, Akiyuki; Oshikawa, Masaki; Demler, Eugene A.

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Citation: Tokuno, Akiyuki, Masaki Oshikawa, and Eugene Demler. 2008. Dynamics of one-dimensional Bose liquids: Andreev-like reflection at Y-junctions and absence of the Aharonov-Bohm effect. Physical Review Letters 100: 140402.
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Abstract: We study one dimensional Bose liquids of interacting ultracold atoms in the Y-shaped potential when each branch is filled with atoms. We find that the excitation packet incident on a single Y-junction should experience a negative density reflection analogous to the Andreev reflection at normal-superconductor interfaces, although the present system does not contain fermions. In a ring interferometer type configuration, we find that the transport is completely insensitive to the (effective) flux contained in the ring, in contrast to the Aharonov-Bohm effect of a single particle in the same geometry.
Published Version: doi://10.1103/PhysRevLett.100.140402
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:13421120
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