Phys. Rev. Lett. 91, 230401 (2003) [4 pages]Long-Range Nature of Feshbach Molecules in Bose-Einstein CondensatesReceived 4 February 2003; published 2 December 2003 We discuss the long-range nature of the molecules produced in recent experiments on molecular Bose-Einstein condensation. The properties of these molecules depend on the full two-body Hamiltonian and not just on the states of the system in the absence of interchannel couplings. The very long-range nature of the state is crucial to the efficiency of production in the experiments. Our many-body treatment of the gas accounts for the full binary physics and describes properly how these molecular condensates can be directly probed. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.91.230401
DOI:
10.1103/PhysRevLett.91.230401
PACS:
03.75.Kk, 05.30.–d, 34.50.–s, 36.90.+f
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