Disordered complex systems using cold gases and trapped ions

Details Disordered complex systems using cold gases and trapped ions Disordered complex systems using cold gases and trapped ions

2005-08-02

arxiv.org/abs/quant-ph/0508018v2

in ''Laser Spectroscopy: Proceedings of the XVII International Conference, Aviemore, Scotland UK, 19-24 June 2005'', eds. E.A.

Physics

Quantum Physics

9 pages, 1 eps figure; v2: One equation corrected

Scientific paper

We report our research on disordered complex systems using cold gases and trapped ions, and address the possibility of using complex systems for quantum information processing. Two simple paradigmatic models of disordered complex systems are revisited here. The first one corresponds to a short range disordered Ising Hamiltonian (spin glasses), which can be implemented with a Bose-Fermi (Bose-Bose) mixture in a disordered optical lattice. The second model we address here is a long range disordered Hamiltonian, characteristic of neural networks (Hopfield model), which can be implemented in a chain of trapped ions with appropriately designed interactions.

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