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Article Dans Une Revue Physical Review Letters Année : 2011

Limit of Spin Squeezing in Finite Temperature Bose-Einstein Condensates

Résumé

We show that, at finite temperature, the maximum spin squeezing achievable using interactions in Bose-Einstein condensates has a finite limit when the atom number $N\to \infty$ at fixed density and interaction strength. We calculate the limit of the squeezing parameter for a spatially homogeneous system and show that it is bounded from above by the initial non-condensed fraction.
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Dates et versions

hal-00584722 , version 1 (10-04-2011)

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Alice Sinatra, Emilia Witkowska, Jean-Christophe Dornstetter, Yun Li, Yvan Castin. Limit of Spin Squeezing in Finite Temperature Bose-Einstein Condensates. Physical Review Letters, 2011, 107, pp.060404. ⟨10.1103/PhysRevLett.107.060404⟩. ⟨hal-00584722⟩
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