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23 April 2024 |
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Article overview
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Detecting paired and counterflow superfluidity via dipole oscillations | | Anzi Hu
; L. Mathey
; Eite Tiesinga
; Ippei Danshita
; Carl J. Williams
; Charles W. Clark
; | | Date: |
17 Mar 2011 | | Abstract: | We suggest an experimentally feasible procedure to observe paired and
counterflow superfluidity in ultra-cold atom systems. We study the time
evolution of one-dimensional mixtures of bosonic atoms in an optical lattice
following an abrupt displacement of an additional weak confining potential. We
find that the dynamic responses of the paired superfluid phase for attractive
inter-species interactions and the counterflow superfluid phase for repulsive
interactions are qualitatively distinct and reflect the quasi long-range order
that characterizes these states. These findings suggest a clear experimental
procedure to detect these phases, and give an intuitive insight into their
dynamics. | | Source: | arXiv, 1103.3513 | | Services: | Forum | Review | PDF | Favorites | |
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