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Cavity-induced switching between localized and extended states in a non-interacting Bose-Einstein condensate | | Lu Zhou
; Han Pu
; Keye Zhang
; Xing-Dong Zhao
; Weiping Zhang
; | | Date: |
24 Aug 2011 | | Abstract: | We study an ultracold atom-cavity coupling system, which had been implemented
in experiment to display weak light nonlinearity [S. Gupta extit{et al}.,
Phys. Rev. Lett. extbf{99}, 213601 (2007)]. The model is described by a
non-interacting Bose-Einstein condensate contained in a Fabry-P’{e}rot optical
resonator, in which two incommensurate standing-wave modes are excited and thus
form a quasiperiodic optical lattice potential for the atoms. Special emphasis
are paid to the variation of atomic wavefunction induced by the cavity light
field. We show that bistability between the atomic localized and extended
states can be generated under appropriate conditions. | | Source: | arXiv, 1108.4786 | | Services: | Forum | Review | PDF | Favorites | |
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