Atomic color superfluid via three-body loss

Kantian, A. and Dalmonte, M. and Diehl, S. and Hofstetter, W. and Zoller, P. and Daley, A.J. (2009) Atomic color superfluid via three-body loss. Physical Review Letters, 103 (24). ISSN 0031-9007

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Large three-body loss rates in a three-component Fermi gas confined in an optical lattice can dynamically prevent atoms from tunneling so as to occupy a lattice site with three atoms. This effective constraint not only suppresses the occurrence of actual loss events, but stabilizes BCS-pairing phases by suppressing the formation of trions. We study the effect of the constraint on the many-body physics using bosonization and density matrix renormalization group techniques, and also investigate the full dissipative dynamics including loss for the example of Li6.