Effect of electronic band dispersion curvature on de Haas-van Alphen oscillations

Jean-Yves Fortin () and Alain Audouard

The European Physical Journal B: Condensed Matter and Complex Systems, 2015, vol. 88, issue 9, 1-7

Abstract: The effect of electronic band curvature, i.e. the deviation from parabolicity of electronic dispersion, on de Haas-van Alphen oscillations spectra is studied. Although the oscillation amplitude remains unaffected, it is demonstrated that non-quadratic terms of the Landau bands dispersion, which is particularly relevant in the case of Dirac fermions, induce a field- and temperature-dependent Onsager phase. As a result, a temperature-dependent shift of the de Haas-van Alphen oscillations frequency is predicted. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2015

Keywords: Solid State and Materials (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1140/epjb/e2015-60013-x

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