Theory of electron spin resonance in bulk topological insulators Bi2Se3, Bi2Te3 and Sb2Te3

We report a theoretical study of electron spin resonance in bulk topological insulators, such as Bi2Se3, Bi2Te3 and Sb2Te3. Using the effective four-band model, we find the electron energy spectrum in a static magnetic field and determine the response to electric and magnetic dipole perturbations, r...

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Bibliographic Details
Published inJournal of physics. Condensed matter Vol. 28; no. 15; pp. 155801 - 155808
Main Authors Ly, O, Basko, D M
Format Journal Article
LanguageEnglish
Published England IOP Publishing 20.04.2016
IOP Publishing [1989-....]
Subjects
Chemical Sciences
electron spin resonance
magneto-optics
topological insulators
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Summary:We report a theoretical study of electron spin resonance in bulk topological insulators, such as Bi2Se3, Bi2Te3 and Sb2Te3. Using the effective four-band model, we find the electron energy spectrum in a static magnetic field and determine the response to electric and magnetic dipole perturbations, represented by oscillating electric and magnetic fields perpendicular to the static field. We determine the associated selection rules and calculate the absorption spectra. This enables us to separate the effective orbital and spin degrees of freedom and to determine the effective g factors for electrons and holes.
Bibliography:JPCM-106483.R1
ObjectType-Article-1
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ISSN:0953-8984
1361-648X
1361-648X
DOI:10.1088/0953-8984/28/15/155801