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

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>5/07/1993
<mark>Journal</mark>Physical Review Letters
Number of pages4
<mark>Original language</mark>English


We predict the Shubnikov-de 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 v(so)p(F) to v(so)p(F)/square-root 2 at odd- and even-integer filling, respectively. This indicates reentrance of the system into a partially spin-polarized state and can be treated as manifestation of a new spin-density wave mode in it.

Bibliographic note

© 1993 The American Physical Society