Photoinduced charge and spin dynamics in strongly correlated electron systems

Hiroaki Matsueda, Sumio Ishihara

研究成果: Article査読

30 被引用数 (Scopus)

抄録

Motivated by the photoinduced phase transition in perovskite manganites, we examine charge and spin dynamics induced by photoirradiation. We calculate the transient optical absorption spectra of the extended double-exchange model by the density matrix renormalization group method. A charge-ordered insulator (COI) becomes metallic just after photoirradiation, and the metallic state tends to recover the initial COI. This recovery is accompanied by the suppression of an antiferromagnetic correlation in the COI and is remarkable near a phase boundary in the ground state. We discuss the implications of the recent pump-probe reflection and magneto-optical Kerr spectroscopy data.

本文言語English
論文番号083703
ジャーナルjournal of the physical society of japan
76
8
DOI
出版ステータスPublished - 2007 8

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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