Dynamical Kohn Anomaly in Surface Acoustic Wave Response in Quantum Hall Systems Near $ν= 1/2$

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dc.creatorZimbovskaya, Nataliya A.
dc.creatorBirman, Joseph L.
dc.date1998-07-23
dc.date2005-07-13
dc.date.accessioned2026-07-07T03:11:07Z
dc.date.available2026-07-07T03:11:07Z
dc.descriptionThe dynamical analog of the Kohn Anomaly image of the Fermi Surface is demonstrated for the response functions to the surface acoustic waves in Quantum Hall Systems near $ν= 1/2$. Kinks appear in the velocity shift $Delta s/s$ and attenuation coefficient $Γ$. The effect is considerably enhanced under periodic modulation and should be observable.
dc.description5 pages, 2 figures, the published version
dc.identifierhttps://arxiv.org/abs/cond-mat/9807319
dc.identifierhttp://arxiv.org/abs/cond-mat/9807319
dc.identifierPhys. Rev. B 60, 002864 (1999) (5 pages)
dc.identifierdoi:10.1103/PhysRevB.60.2864
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/28456
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStrongly Correlated Electrons
dc.titleDynamical Kohn Anomaly in Surface Acoustic Wave Response in Quantum Hall Systems Near $ν= 1/2$
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