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

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

2009-05-15

arxiv.org/abs/0905.2600v2

Physical Review Letters 103, 070404 (2009)

Physics

Condensed Matter

Quantum Gases

5 pages, 5 figures

Scientific paper

10.1103/PhysRevLett.103.070404

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 multi-atom 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.

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