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.
- p-wave superfluid state
- optical lattice
Han, Y-J., Chan, Y-H., Duan, L-M., Yi, W., Daley, A. J., Diehl, S., & Zoller, P. (2009). Stabilization of the p-wave superfluid state in an optical lattice. Physical Review Letters, 103(7). https://doi.org/10.1103/PhysRevLett.103.070404