Journal
PHYSICAL REVIEW LETTERS
Volume 101, Issue 21, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.101.210403
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Funding
- Triangle de la Physique,
- DARPA-OLE program
- ICAM
- Agence Nationale de la Recherche [GASCOR, FABIOLA]
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We perform a theoretical study of a fermionic gas with two hyperfine states confined to an optical lattice. We derive a generic state diagram as a function of interaction strength, particle number, and confining potential. We discuss the central density, the double occupancy, and their derivatives as probes for the Mott state, connecting our findings to the recent experiment of Jordens et al. [Nature (London) 455, 204 (2008)]. Using entropic arguments we compare two different strategies to reach the antiferromagnetic state in the presence of a trapping potential.
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