Microscopic description of electric and magnetic toroidal multipoles in hybrid orbitals

Satoru Hayami, Hiroaki Kusunose

研究成果: Article査読

22 被引用数 (Scopus)

抄録

We derive the quantum-mechanical operator expressions of multipoles under the space-time inversion group. We elucidate that electric and magnetic toroidal multipoles, in addition to ordinary non-toroidal ones, are fundamental pieces to express arbitrary electronic degrees of freedom. We show that electric (magnetic) toroidal multipoles higher than the dipole (monopole) can become active in a hybridized-orbital system. We also demonstrate emergent cross-correlated couplings between the electric, magnetic, and elastic degrees of freedom, such as magneto-electric and magneto(electro)- elastic coupling, under toroidal multipole orders.

本文言語English
論文番号033709
ジャーナルJournal of the Physical Society of Japan
87
3
DOI
出版ステータスPublished - 2018

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