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Spin domain formation in spinor Bose-Einstein condensation | | Tomoya Isoshima
; Kazushige Machida
; Tetsuo Ohmi
; | | Date: |
13 May 1999 | | Subject: | Soft Condensed Matter | cond-mat.soft | | Abstract: | The spatial structure of the spinor Bose-Einstein condensates with the spin degrees of freedom is analyzed based on the generalized Gross-Pitaevskii equation (GP) in the light of the present spin domain experiment on m_F=pm 1, and 0 of the hyperfine state F=1 of ^{23}Na atom gases. The GP solutions in three- and one-spatial dimensional cases reproduce the observed spin domain structures, revealing the length scale associated with the existence of the weak interaction of the spin-spin channel, other than the ordinary coherence length related to the density-density channel. The obtained domain structure in GP is compared with the result in Thomas-Fermi approximation. The former solution is found to better describe the observed features than the latter. | | Source: | arXiv, cond-mat/9905182 | | Services: | Forum | Review | PDF | Favorites | |
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