Interaction-Induced Adiabatic Cooling and Antiferromagnetism of Cold Fermions in Optical Lattices
Journal Article
·
· Physical Review Letters
- LKB, Ecole Normale Superieure, 24 Rue Lhomond, 75231 Paris Cedex 05 (France)
- SPhT, CEA-Saclay, 91191 Gif sur Yvette Cedex (France)
- CPHT, Ecole Polytechnique, 91128 Palaiseau Cedex (France)
We propose an interaction-induced cooling mechanism for two-component cold fermions in an optical lattice. It is based on an increase of the spin entropy upon localization, an analogue of the Pomeranchuk effect in liquid helium 3. We discuss its application to the experimental realization of the antiferromagnetic phase. We illustrate our arguments with dynamical mean-field theory calculations.
- OSTI ID:
- 20699269
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 5 Vol. 95; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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