Dynamical Dzyaloshinsky-Moriya interaction in KCuF3

dc.contributor.author	Eremin M.
dc.contributor.author	Zakharov D.
dc.contributor.author	Von Nidda H.
dc.contributor.author	Eremina R.
dc.contributor.author	Shuvaev A.
dc.contributor.author	Pimenov A.
dc.contributor.author	Ghigna P.
dc.contributor.author	Deisenhofer J.
dc.contributor.author	Loidl A.
dc.date.accessioned	2018-09-18T20:33:08Z
dc.date.available	2018-09-18T20:33:08Z
dc.date.issued	2008
dc.identifier.issn	0031-9007
dc.identifier.uri	https://dspace.kpfu.ru/xmlui/handle/net/141068
dc.description.abstract	The spin dynamics of the prototypical quasi-one-dimensional antiferromagnetic Heisenberg spin S=1/2 chain KCuF3 is investigated by electron spin resonance spectroscopy. Our analysis shows that the peculiarities of the spin dynamics require a new dynamical form of the antisymmetric anisotropic spin-spin interaction. This dynamical Dzyaloshinsky-Moriya interaction is related to strong oscillations of the bridging fluorine ions perpendicular to the crystallographic c axis. This new mechanism allows us to resolve consistently the controversies in observation of the magnetic and structural properties of this orbitally ordered perovskite compound. © 2008 The American Physical Society.
dc.relation.ispartofseries	Physical Review Letters
dc.title	Dynamical Dzyaloshinsky-Moriya interaction in KCuF3
dc.type	Article
dc.relation.ispartofseries-issue	14
dc.relation.ispartofseries-volume	101
dc.collection	Публикации сотрудников КФУ
dc.source.id	SCOPUS00319007-2008-101-14-SID53549084026

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