Parity (and time-reversal) anomaly in a semiconductor

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dc.creatorTchernyshyov, Oleg
dc.date2000-09-25
dc.date2000-10-30
dc.date.accessioned2026-07-07T11:29:47Z
dc.date.available2026-07-07T11:29:47Z
dc.descriptionThe physics of a parity anomaly, potentially observable in a narrow-gap semiconductor, is revisited. Fradkin, Dagotto, and Boyanovsky have suggested that a Hall current of anomalous parity can be induced by a Peierls distortion on a domain wall. I argue that a perturbation inducing the parity anomaly must break the time reversal symmetry, which rules out the Peierls distortion as a potential cause. I list all possible perturbations that can generate the anomaly.
dc.description11 pages, 1 figure. Sign errors fixed
dc.identifierhttps://arxiv.org/abs/cond-mat/0009389
dc.identifierhttp://arxiv.org/abs/cond-mat/0009389
dc.identifierPhys.Rev.B62:16751,2000
dc.identifierdoi:10.1103/PhysRevB.62.16751
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/196826
dc.subjectMesoscale and Nanoscale Physics
dc.subjectHigh Energy Physics - Phenomenology
dc.titleParity (and time-reversal) anomaly in a semiconductor
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