Quantum Anomaly and Effective Field Description of a Quantum Chaotic Billiard

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dc.creatorTaniguchi, Nobuhiko
dc.date2004-07-30
dc.date.accessioned2026-07-07T02:59:31Z
dc.date.available2026-07-07T02:59:31Z
dc.descriptionWe investigate the effective field theory of a quantum chaotic billiard from a new perspective of quantum anomalies, which result from the absence of continuous spectral symmetry in quantized systems. It is shown that commutators of composite operators on the energy shell acquire anomalous part. The presence of the anomaly allows one to introduce effective dual fields as phase variables without any additional coarse-graining nor ensemble averaging in a ballistic system. The spectral Husimi function plays a role as the corresponding amplitude.
dc.description4 pages
dc.identifierhttps://arxiv.org/abs/cond-mat/0407802
dc.identifierhttp://arxiv.org/abs/cond-mat/0407802
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/24538
dc.subjectMesoscale and Nanoscale Physics
dc.subjectChaotic Dynamics
dc.titleQuantum Anomaly and Effective Field Description of a Quantum Chaotic Billiard
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