publication . Article . Preprint . 2005

Diatomic molecules in ultracold Fermi gases - novel composite bosons.

Christophe Salomon; G. V. Shlyapnikov; G. V. Shlyapnikov; Dmitry S. Petrov;
Open Access English
  • Published: 01 Jan 2005
  • Publisher: HAL CCSD
  • Country: France
Abstract
We give a brief overview of recent studies of weakly bound homonuclear molecules in ultracold two-component Fermi gases. It is emphasized that they represent novel composite bosons, which exhibit features of Fermi statistics at short intermolecular distances. In particular, Pauli exclusion principle for identical fermionic atoms provides a strong suppression of collisional relaxation of such molecules into deep bound states. We then analyze heteronuclear molecules which are expected to be formed in mixtures of different fermionic atoms. It is found how an increase in the mass ratio for the constituent atoms changes the physics of collisional stability of such mo...
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doi: 10.1088/0953-4075/38/9/014
handle: 11245/1.253536
Subjects
arXiv: Condensed Matter::Quantum GasesPhysics::Atomic PhysicsPhysics::Atomic and Molecular Clusters
free text keywords: [PHYS.COND.CM-SM]Physics [physics]/Condensed Matter [cond-mat]/Statistical Mechanics [cond-mat.stat-mech], Condensed Matter - Statistical Mechanics, Atomic and Molecular Physics, and Optics, Condensed Matter Physics, Pauli exclusion principle, symbols.namesake, symbols, Physics, Fermi gas, Diatomic molecule, Feshbach resonance, Homonuclear molecule, Bose–Einstein condensate, law.invention, law, Boson, Heteronuclear molecule, Atomic physics
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