Dissipation-induced d-wave pairing of fermionic atoms in an optical lattice
Diehl, S. and Yi, W. and Daley, Andrew and Zoller, P. (2010) Dissipation-induced d-wave pairing of fermionic atoms in an optical lattice. Physical Review Letters, 105 (22). 227001. ISSN 1079-7114 (https://doi.org/10.1103/PhysRevLett.105.227001)
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We show how dissipative dynamics can give rise to pairing for two-component fermions on a lattice. In particular, we construct a parent Liouvillian operator so that a BCS-type state of a given symmetry, e.g., a d-wave state, is reached for arbitrary initial states in the absence of conservative forces. The system-bath couplings describe single-particle, number-conserving and quasilocal processes. The pairing mechanism crucially relies on Fermi statistics. We show how such Liouvillians can be realized via reservoir engineering with cold atoms representing a driven dissipative dynamics.
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Item type: Article ID code: 45212 Dates: DateEvent22 November 2010PublishedSubjects: Science > Physics Department: Faculty of Science > Physics Depositing user: Pure Administrator Date deposited: 16 Oct 2013 10:45 Last modified: 26 Apr 2024 09:24 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/45212