Magnetoelectric response of the antiferromagnetic insulator phase in a three-dimensional correlated system with spin-orbit coupling

Akihiko Sekine, Kentaro Nomura

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

We theoretically investigate the antiferromagnetic insulator phase in a threedimensional correlated system with spin-orbit coupling, the Fu-Kane-Mele-Hubbard model at half-filling. We focus on the topological magnetoelectric effect which is described by the theta term. A low-energy effective Hamiltonian is derived in the antiferromagnetic insulator phase. Then with the use of a field-theoretical method, the theta term is derived as a consequence of the chiral anomaly.

Original languageEnglish
Article number012128
JournalJournal of Physics: Conference Series
Volume592
Issue number1
DOIs
Publication statusPublished - 2014
Event2014 International Conference on Strongly Correlated Electron Systems, SCES 2014 - Grenoble, France
Duration: 2014 Jul 72014 Jul 14

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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