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Cooling dynamics of ultracold two-species Fermi-Bose mixtures | | Carlo Presilla
; Roberto Onofrio
; | | Date: |
27 Dec 2002 | | Journal: | Phys. Rev. Lett. 90, 030404 (2003) | | Subject: | cond-mat | | Abstract: | We compare strategies for evaporative and sympathetic cooling of two-species Fermi-Bose mixtures in single-color and two-color optical dipole traps. We show that in the latter case a large heat capacity of the bosonic species can be maintained during the entire cooling process. This could allow to efficiently achieve a deep Fermi degeneracy regime having at the same time a significant thermal fraction for the Bose gas, crucial for a precise thermometry of the mixture. Two possible signatures of a superfluid phase transition for the Fermi species are discussed. | | Source: | arXiv, cond-mat/0301517 | | Other source: | [GID 66813] pmid12570476 | | Services: | Forum | Review | PDF | Favorites | |
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