Volume 56, Number 4, November 2001
|Page(s)||570 - 575|
|Section||Condensed matter: electronic structure, electrical, magnetic and optical properties|
|Published online||01 December 2003|
ESR theory for interacting 1D quantum wires
Institut für Theoretische Physik, Heinrich-Heine-Universität
D-40225 Düsseldorf, Germany
2 Fakultät für Physik, Albert-Ludwigs-Universität D-79104 Freiburg, Germany
Accepted: 31 August 2001
We compute the electron spin resonance (ESR) intensity for one-dimensional quantum wires in semiconductor heterostructures, taking into account electron-electron interactions and spin-orbit coupling. The ESR spectrum is shown to be very sensitive to interactions. While in the absence of interactions the spectrum is a flat band, characteristic threshold singularities appear in the interacting limit. This suggests the practical use of ESR to reveal spin dynamics in a Luttinger liquid.
PACS: 71.10.Pm – Fermions in reduced dimensions (anyons, composite fermions, Luttinger liquid, etc.) / 73.21.Hb – Quantum wires / 76.30.-v – Electron paramagnetic resonance and relaxation
© EDP Sciences, 2001
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