Spin-zero anomaly in the magnetic quantum oscillations of a two-dimensional metal

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dc.creatorWosnitza, J.
dc.creatorGvozdikov, V. M.
dc.creatorHagel, J.
dc.creatorMeeson, P. J.
dc.creatorSchlueter, J. A.
dc.creatorWinter, R. W.
dc.creatorGard, G. L.
dc.date2004-12-08
dc.date.accessioned2026-07-07T09:58:31Z
dc.date.available2026-07-07T09:58:31Z
dc.descriptionWe report on an anomalous behavior of the spin-splitting zeros in the de Haas-van Alphen (dHvA) signal of a quasi-two-dimensional organic superconductor. The zeros as well as the angular dependence of the amplitude of the second harmonic deviate remarkably from the standard Lifshitz-Kosevich (LK) prediction. In contrast, the angular dependence of the fundamental dHvA amplitude as well as the spin-splitting zeros of the Shubnikov-de Haas signal follow the LK theory. We can explain this behavior by small chemical-potential oscillations and find a very good agreement between theory and experiment. A detailed wave-shape analysis of the dHvA signal corroborates the existence of an oscillating chemical potential.
dc.identifierhttps://arxiv.org/abs/cond-mat/0412202
dc.identifierhttp://arxiv.org/abs/cond-mat/0412202
dc.identifierNew J. Phys. 10 (2008) 083032
dc.identifierdoi:10.1088/1367-2630/10/8/083032
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/167745
dc.subjectStrongly Correlated Electrons
dc.subjectOther Condensed Matter
dc.titleSpin-zero anomaly in the magnetic quantum oscillations of a two-dimensional metal
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