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Article: Electric driving of magnetization dynamics in a hybrid insulator

TitleElectric driving of magnetization dynamics in a hybrid insulator
Authors
Issue Date2021
Citation
Physical Review B, 2021, v. 104, n. 6, article no. 064433 How to Cite?
AbstractEstablished forms of electromagnetic coupling are usually conservative (in insulators) or dissipative (in metals and semiconductors). Here, we point out the possibility of nondissipative electric driving of magnetization dynamics, if the valence electronic states have nontrivial topology in the combined space of crystal momentum and magnetization configuration. We provide a hybrid insulator system to demonstrate that the topology-based nonconservative electrical generalized force is capable of supporting sustained magnetization motion in the presence of Gilbert damping, with quantized and steady energy pumping into magnetization motion from the electric field. We also generalize our results to magnetic textures, and discuss an electric-field-induced Dzyaloshinskii-Moriya interaction which can be nonconservative.
Persistent Identifierhttp://hdl.handle.net/10722/311551
ISSN
2023 Impact Factor: 3.2
2023 SCImago Journal Rankings: 1.345
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorXiao, Cong-
dc.contributor.authorXiong, Bangguo-
dc.contributor.authorNiu, Qian-
dc.date.accessioned2022-03-22T11:54:12Z-
dc.date.available2022-03-22T11:54:12Z-
dc.date.issued2021-
dc.identifier.citationPhysical Review B, 2021, v. 104, n. 6, article no. 064433-
dc.identifier.issn2469-9950-
dc.identifier.urihttp://hdl.handle.net/10722/311551-
dc.description.abstractEstablished forms of electromagnetic coupling are usually conservative (in insulators) or dissipative (in metals and semiconductors). Here, we point out the possibility of nondissipative electric driving of magnetization dynamics, if the valence electronic states have nontrivial topology in the combined space of crystal momentum and magnetization configuration. We provide a hybrid insulator system to demonstrate that the topology-based nonconservative electrical generalized force is capable of supporting sustained magnetization motion in the presence of Gilbert damping, with quantized and steady energy pumping into magnetization motion from the electric field. We also generalize our results to magnetic textures, and discuss an electric-field-induced Dzyaloshinskii-Moriya interaction which can be nonconservative.-
dc.languageeng-
dc.relation.ispartofPhysical Review B-
dc.titleElectric driving of magnetization dynamics in a hybrid insulator-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevB.104.064433-
dc.identifier.scopuseid_2-s2.0-85113787961-
dc.identifier.volume104-
dc.identifier.issue6-
dc.identifier.spagearticle no. 064433-
dc.identifier.epagearticle no. 064433-
dc.identifier.eissn2469-9969-
dc.identifier.isiWOS:000686909900003-

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