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Article Dans Une Revue Physical Review Letters Année : 2013

Many Bosons in a Narrow Magnetic Feshbach Resonance

Résumé

The many-boson problem in presence of an asymptotically narrow Feshbach resonance is considered. The low energy properties are investigated using a two-channel Hamiltonian. The energy spectrum of this model is shown to be bounded from below in the limit of zero range interaction. This implies the promising possibility of achieving a strongly interacting bosonic phase in a dilute regime where the details of the actual interatomic forces are irrelevant. The integral relation between the energy and the one-body momentum distribution is derived.
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Dates et versions

hal-00765790 , version 1 (16-12-2012)
hal-00765790 , version 2 (02-05-2013)

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Citer

Ludovic Pricoupenko. Many Bosons in a Narrow Magnetic Feshbach Resonance. Physical Review Letters, 2013, 110, pp.180402. ⟨10.1103/PhysRevLett.110.180402⟩. ⟨hal-00765790v2⟩
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