Anomalous magneto-oscillations in two-dimensional systems
R. Winkler, S. J. Papadakis, E. P. De Poortere, and M. Shayegan
TL;DR
This paper reveals that the frequencies of Shubnikov-de Haas oscillations in two-dimensional systems do not directly correspond to spin-subband densities, challenging previous assumptions and providing new insights into spin-related phenomena.
Contribution
It combines self-consistent numerical calculations with experimental data to demonstrate that magneto-oscillation frequencies are not directly linked to zero-field spin-subband densities.
Findings
Oscillation frequencies are not directly related to spin-subband densities.
Numerical calculations support experimental observations.
Challenges previous interpretations of magneto-oscillation data.
Abstract
The frequencies of Shubnikov-de Haas oscillations have long been used to measure the unequal population of spin-split two-dimensional subbands in inversion asymmetric systems. We report self-consistent numerical calculations and experimental results which indicate that these oscillations are not simply related to the zero-magnetic-field spin-subband densities.
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