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

Research output: Contribution to journalJournal article

Published

Journal publication date5/07/1993
JournalPhysical Review Letters
Journal number1
Volume71
Number of pages4
Pages141-144
Original languageEnglish

Abstract

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