Theory of quantum systems

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Observability of Quantum Criticality and a Continuous Supersolid in Atomic Gases

(2009)

Authors:

S Diehl, M Baranov, AJ Daley, P Zoller
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A single trapped atom in front of an oscillating mirror

(2009)

Authors:

AW Glaetzle, K Hammerer, AJ Daley, R Blatt, P Zoller
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An atomic colour superfluid via three-body loss

(2009)

Authors:

A Kantian, M Dalmonte, S Diehl, W Hofstetter, P Zoller, AJ Daley
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Time-dependent currents of 1D bosons in an optical lattice

(2009)

Authors:

Johannes Schachenmayer, Guido Pupillo, Andrew J Daley
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Stabilization of the p-wave superfluid state in an optical lattice.

Physical review letters 103:7 (2009) 070404

Authors:

Y-J Han, Y-H Chan, W Yi, AJ Daley, S Diehl, P Zoller, L-M Duan

Abstract:

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.
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