Theory of quantum systems

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Quantum field theory for the three-body constrained lattice Bose gas. II. Application to the many-body problem

Physical Review B American Physical Society (APS) 82:6 (2010) 064510

Authors:

S Diehl, M Baranov, AJ Daley, P Zoller
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Quantum field theory for the three-body constrained lattice Bose gas. I. Formal developments

Physical Review B American Physical Society (APS) 82:6 (2010) 064509

Authors:

S Diehl, M Baranov, AJ Daley, P Zoller
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Dissipation-induced d-Wave Pairing of Fermionic Atoms in an Optical Lattice

(2010)

Authors:

S Diehl, W Yi, AJ Daley, P Zoller
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Interference of interacting matter waves

New Journal of Physics IOP Publishing 12:6 (2010) 065029

Authors:

Mattias Gustavsson, Elmar Haller, Manfred J Mark, Johann G Danzl, Russell Hart, Andrew J Daley, Hanns-Christoph Nägerl
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η condensate of fermionic atom pairs via adiabatic state preparation.

Physical review letters 104:24 (2010) 240406

Authors:

A Kantian, AJ Daley, P Zoller

Abstract:

We discuss how an η condensate, corresponding to an exact excited eigenstate of the Fermi-Hubbard model, can be produced with cold atoms in an optical lattice. Using time-dependent density matrix renormalization group methods, we analyze a state preparation scheme beginning from a band insulator state in an optical superlattice. This state can act as an important test case, both for adiabatic preparation methods and the implementation of the many-body Hamiltonian, and measurements on the final state can be used to help detect associated errors.
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