Anomalous beating phase of the oscillating interlayer magnetoresistance in layered metals

Abstract

We analyze the beating behavior of the magnetic quantum oscillations in a layered metal under the conditions when the cyclotron energy $\hslash {\omega }_c$ is comparable to the interlayer transfer energy $t$. We find that the positions of the beats in the interlayer resistance are considerably shifted from those in the magnetization oscillations, and predict that the shift is determined by the ratio $\hslash {\omega }_c/t$. A comparative study of the Shubnikov-de Haas and de Haas-van Alphen effects in the quasi-two-dimensional organic metal $\beta$-(BEDT-TTF)${}_2$IBr${}_2$ appears to be consistent with the theoretical prediction.

8 pages, 4 figures

References in corpus (1)

• The influence of the oscillations of the chemical potential on the de Haas - van Alphen effect in quasi-two-dimensional compounds

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