Stabilization of the p-wave superfluid state in an optical lattice

Han, Y.-J. and Chan, Y.-H. and Duan, L.-M. and Yi, W. and Daley, A.J. and Diehl, S. and Zoller, P. (2009) Stabilization of the p-wave superfluid state in an optical lattice. Physical Review Letters, 103 (7). ISSN 1079-7114 (

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It is hard to stabilize the p-wave superfluid state of cold atomic gas in free space due to inelastic collisional losses. We consider the p-wave Feshbach resonance in an optical lattice, and show that it is possible to have a stable p-wave superfluid state where the multiatom collisional loss is suppressed through the quantum Zeno effect. We derive the effective Hamiltonian for this system, and calculate its phase diagram in a one-dimensional optical lattice. The results show rich phase transitions between the p-wave superfluid state and different types of insulator states induced either by interaction or by dissipation.


Han, Y.-J., Chan, Y.-H., Duan, L.-M., Yi, W., Daley, A.J. ORCID logoORCID:, Diehl, S. and Zoller, P.;