Quantum anomalies and linear response theory

Itamar Sela; James Aisenberg; Tsampikos Kottos; Doron Cohen

doi:10.1088/1751-8113/43/33/332001

Quantum anomalies and linear response theory

Itamar Sela, James Aisenberg, Tsampikos Kottos, Doron Cohen

Department of Physics

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

The analysis of diffusive energy spreading in quantized chaotic driven systems leads to a universal paradigm for the emergence of a quantum anomaly. In the classical approximation, a driven chaotic system exhibits stochastic-like diffusion in energy space with a coefficient D that is proportional to the intensity ε² of the driving. In the corresponding quantized problem the coherent transitions are characterized by a generalized Wigner time t_ε, and a self-generated (intrinsic) dephasing process leads to nonlinear dependence of D on ε².

Original language	English
Article number	332001
Journal	Journal of Physics A: Mathematical and Theoretical
Volume	43
Issue number	33
DOIs	https://doi.org/10.1088/1751-8113/43/33/332001
State	Published - 20 Aug 2010

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Statistics and Probability
Modeling and Simulation
Mathematical Physics
General Physics and Astronomy

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Quantum anomalies and linear response theory

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