Phys. Rev. Lett. 83, 661–665 (1999)Quantum Tunneling across Spin Domains in a Bose-Einstein CondensateReceived 12 February 1999; published in the issue dated 26 July 1999 Quantum tunneling was observed in the decay of metastable spin domains in gaseous Bose-Einstein condensates. A mean-field description of the tunneling was developed and compared with measurement. The tunneling rates are a sensitive probe of the boundary between spin domains, and indicate a spin structure which is prohibited in the bulk fluid. These experiments were performed with optically trapped F = 1 spinor Bose-Einstein condensates of sodium. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.83.661
DOI:
10.1103/PhysRevLett.83.661
PACS:
03.75.Fi, 05.30.Jp, 74.50.+r
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