Crossing of cyclotron and spin resonances in two-dimensional Coulomb gas

Vladimir I. Falko

doi:10.1103/PhysRevLett.71.141

Crossing of cyclotron and spin resonances in two-dimensional Coulomb gas

Vladimir I. Falko^*

^*Corresponding author for this work

Max-Planck-Inst. Festkorperforschung

Research output: Contribution to journal › Article › peer-review

Abstract

We predict the Shubnikovde Haas oscillations of the fine structure of the cyclotron resonance near its crossing with the spin resonance in the degenerate two-dimensional Coulomb gas subjected to a strong tilted magnetic field. The spin-orbit coupling splits these resonances into three lines with the splitting gaps varying with the filling factor from vsopF to vsopF/ 2 at odd- and even-integer filling, respectively. This indicates re-entrance of the system into a partially spin-polarized state and can be treated as manifestation of a new spin-density wave mode in it.

Original language	English
Pages (from-to)	141-144
Number of pages	4
Journal	Physical Review Letters
Volume	71
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.71.141
Publication status	Published - 1993

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National Graphene Institute

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10.1103/PhysRevLett.71.141

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abstract = "We predict the Shubnikovde Haas oscillations of the fine structure of the cyclotron resonance near its crossing with the spin resonance in the degenerate two-dimensional Coulomb gas subjected to a strong tilted magnetic field. The spin-orbit coupling splits these resonances into three lines with the splitting gaps varying with the filling factor from vsopF to vsopF/ 2 at odd- and even-integer filling, respectively. This indicates re-entrance of the system into a partially spin-polarized state and can be treated as manifestation of a new spin-density wave mode in it.",

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AB - We predict the Shubnikovde Haas oscillations of the fine structure of the cyclotron resonance near its crossing with the spin resonance in the degenerate two-dimensional Coulomb gas subjected to a strong tilted magnetic field. The spin-orbit coupling splits these resonances into three lines with the splitting gaps varying with the filling factor from vsopF to vsopF/ 2 at odd- and even-integer filling, respectively. This indicates re-entrance of the system into a partially spin-polarized state and can be treated as manifestation of a new spin-density wave mode in it.

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Crossing of cyclotron and spin resonances in two-dimensional Coulomb gas

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