Atomic three-body loss as a dynamical three-body interaction

Daley, A.J. and Taylor, J.M. and Diehl, S. and Baranov, M. and Zoller, P. (2009) Atomic three-body loss as a dynamical three-body interaction. Physical Review Letters, 102 (4). 040402. ISSN 0031-9007

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We discuss how large three-body loss of atoms in an optical lattice can give rise to effective hard-core three-body interactions. For bosons, in addition to the usual atomic superfluid, a dimer superfluid can then be observed for attractive two-body interactions. The nonequilibrium dynamics of preparation and stability of these phases are studied in 1D by combining time-dependent density matrix renormalization group techniques with a quantum trajectories method.