Three-boson recombination at ultralow temperatures
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Data
2007-04-09
Autores
Yamashita, Marcelo Takeshi [UNESP]
Frederico, T.
Tomio, Lauro
Título da Revista
ISSN da Revista
Título de Volume
Editor
Elsevier B.V.
Resumo
The effects of trimer continuum resonances are considered in the three-body recombination rate of a Bose system at finite energies for large and negative two-body scattering lengths (a). The thermal average of the rate allows to apply our formula to Bose gases at ultra-low temperatures. We found a good quantitative description of the experimental three-body recombination length of cesium atoms to deeply bound molecules up to 500 nK. Consistent with the experimental data, the increase of the temperature moves the resonance peak of the three-body recombination rate to lower values of vertical bar a vertical bar exhibiting a saturation behavior. (C) 2006 Elsevier B.V. All rights reserved.
Descrição
Palavras-chave
other Bose-Einstein condensation phenomena, three-body recombination, scattering of atoms and molecules, few-body systems
Como citar
Physics Letters A. Amsterdam: Elsevier B.V., v. 363, n. 5-6, p. 468-472, 2007.