Theoretically predicted picosecond optical switching of spin chirality in multiferroics

Masahito Mochizuki*, Naoto Nagaosa

*この研究の対応する著者

研究成果: Article査読

51 被引用数 (Scopus)

抄録

We show theoretically with an accurate spin Hamiltonian describing the multiferroic Mn perovskites that the application of the picosecond optical pulse with a terahertz frequency can switch the spin chirality through intensely exciting the electromagnons. There are four states with different spin chiralities, i.e., clockwise and counterclockwise ab/bc-plane spin spirals, and by tuning the strength, shape and length of the pulse, the switching among these states can be controlled at will. Dynamical pattern formation during the switching is also discussed.

本文言語English
論文番号147202
ジャーナルPhysical Review Letters
105
14
DOI
出版ステータスPublished - 2010 9月 28
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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