Electron spin resonance in a two-dimensional Fermi liquid with spin-orbit coupling

Saurabh Maiti, Muhammad Imran, and Dmitrii L. Maslov
Phys. Rev. B 93, 045134 – Published 26 January 2016

Abstract

Electron spin resonance (ESR) is usually viewed as a single-particle phenomenon protected from the effect of many-body correlations. We show that this is not the case in a two-dimensional Fermi liquid (FL) with spin-orbit coupling (SOC). Depending on whether the in-plane magnetic field is below or above some critical value, ESR in such a system probes up to three chiral-spin collective modes, augmented by the spin mode in the presence of the field, or the Silin-Leggett mode. All the modes are affected by both SOC and FL renormalizations. We argue that ESR can be used as a probe not only for SOC but also for many-body physics.

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  • Received 9 October 2015
  • Revised 8 December 2015

DOI:https://doi.org/10.1103/PhysRevB.93.045134

©2016 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Saurabh Maiti1,2, Muhammad Imran1, and Dmitrii L. Maslov1

  • 1Department of Physics, University of Florida, Gainesville, Florida 32611, USA
  • 2National High Magnetic Field Laboratory, Tallahassee, Florida 32310, USA

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Issue

Vol. 93, Iss. 4 — 15 January 2016

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