Ultracold two-component fermionic gases with a magnetic field gradient near a feshbach resonance

We study theoretically the ultracold two-component fermionic gases when a gradient magnetic field is used to tune the scattering length between atoms. For 6Li at the narrow resonance B0=543.25 G, it is shown that the gases would be in a coexistence of the regimes of BCS, Bose-Einstein condensation (...

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Veröffentlicht in:	Physical review letters 2005-09, Vol.95 (12), p.120401.1-120401.4, Article 120401
Hauptverfasser:	Xiong, Hongwei, Liu, Shujuan, Zhang, Weiping, Zhan, Mingsheng
Format:	Artikel
Sprache:	eng
Schlagworte:	BCS THEORY BOSE-EINSTEIN CONDENSATION CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS EQUILIBRIUM Exact sciences and technology FERMI GAS FERMIONS LITHIUM 6 MAGNETIC FIELDS Physics RESONANCE SCATTERING LENGTHS UNITARITY
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