Dynamical Mean Field Theory for Self-Generated Quantum Glasses

Details Dynamical Mean Field Theory for Self-Generated Quantum Glasses Dynamical Mean Field Theory for Self-Generated Quantum Glasses

2002-02-06

arxiv.org/abs/cond-mat/0202099v3

Phys. Rev. B 68, 134203 (2003)

Physics

Condensed Matter

Disordered Systems and Neural Networks

10 pages, 4 figures

Scientific paper

10.1103/PhysRevB.68.134203

We present a many body approach for non-equilibrium behavior and self-generated glassiness in strongly correlated quantum systems. It combines the dynamical mean field theory of equilibrium systems with the replica theory for classical glasses without quenched disorder. We apply this approach to study a quantized version of the Brazovskii model and find a self-generated quantum glass that remains in a quantum mechanically mixed state as T -> 0. This quantum glass is formed by a large number of competing states spread over an energy region which is determined within our theory.

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