Quantum anomalies and linear response theory

Itamar Sela, James Aisenberg, Tsampikos Kottos, Doron Cohen

Research output: Contribution to journalArticlepeer-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 tε, and a self-generated (intrinsic) dephasing process leads to nonlinear dependence of D on ε2.

Original languageEnglish
Article number332001
JournalJournal of Physics A: Mathematical and Theoretical
Volume43
Issue number33
DOIs
StatePublished - 20 Aug 2010

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