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Resonance in Bose-Einstein condensate oscillation from a periodic variation in scattering length | | Sadhan K. Adhikari
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24 Jul 2002 | | Journal: | J. Phys. B: At. Mol. Opt. Phys. 36 (2003) 1109-1120 | | Subject: | Soft Condensed Matter | cond-mat.soft | | Abstract: | Using the explicit numerical solution of the axially-symmetric Gross-Pitaevskii equation we study the oscillation of the Bose-Einstein condensate induced by a periodic variation in the atomic scattering length $a$. When the frequency of oscillation of $a$ is an even multiple of the radial or axial trap frequency, respectively, the radial or axial oscillation of the condensate exhibits resonance with novel feature. In this nonlinear problem without damping, at resonance in the steady state the amplitude of oscillation passes through maximum and minimum. Such growth and decay cycle of the amplitude may keep on repeating. Similar behavior is also observed in a rotating Bose-Einstein condensate. | | Source: | arXiv, cond-mat/0207579 | | Services: | Forum | Review | PDF | Favorites | |
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