Quantum chaos at finite temperature

We use the quantum action to study quantum chaos at finite temperature. We present a numerical study of a classically chaotic 2-D Hamiltonian system — harmonic oscillators with anharmonic coupling. We construct the quantum action non-perturbatively and find temperature-dependent quantum corrections...

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Bibliographic Details
Published in:Physics letters. A 2001-09, Vol.288 (3), p.145-153
Main Authors: Caron, L.A., Jirari, H., Kröger, H., Luo, X.Q., Melkonyan, G., Moriarty, K.J.M.
Format: Article
Language:English
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Summary:We use the quantum action to study quantum chaos at finite temperature. We present a numerical study of a classically chaotic 2-D Hamiltonian system — harmonic oscillators with anharmonic coupling. We construct the quantum action non-perturbatively and find temperature-dependent quantum corrections in the action parameters. We compare Poincaré sections of the quantum action at finite temperature with those of the classical action.
ISSN:0375-9601
1873-2429
DOI:10.1016/S0375-9601(01)00555-2