Critical Electron-Paramagnetic-Resonance Spin Dynamics in NiCl2

R.J. Birgeneau; L.W. Rupp; H.J. Guggenheim; Per-Anker Lindgård

doi:10.1103/PhysRevLett.30.1252

Critical Electron-Paramagnetic-Resonance Spin Dynamics in NiCl2

R.J. Birgeneau, L.W. Rupp, H.J. Guggenheim, Per-Anker Lindgård

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

We have studied the critical behavior of the electron-paramagnetic-resonance linewidth in the planar XY antiferromagnet NiCl2; it is found that the linewidth diverges like ξ∼(T-TN)-0.7 rather than ξ5/2 predicted by the current random-phase-approximation theory.

Original language	English
Journal	Physical Review Letters
Volume	30
Issue number	25
Pages (from-to)	1252-1255
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.30.1252
Publication status	Published - 1973

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title = "Critical Electron-Paramagnetic-Resonance Spin Dynamics in NiCl2",

abstract = "We have studied the critical behavior of the electron-paramagnetic-resonance linewidth in the planar XY antiferromagnet NiCl2; it is found that the linewidth diverges like ξ∼(T-TN)-0.7 rather than ξ5/2 predicted by the current random-phase-approximation theory.",

author = "R.J. Birgeneau and L.W. Rupp and H.J. Guggenheim and Per-Anker Lindg{\aa}rd",

year = "1973",

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PY - 1973

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AB - We have studied the critical behavior of the electron-paramagnetic-resonance linewidth in the planar XY antiferromagnet NiCl2; it is found that the linewidth diverges like ξ∼(T-TN)-0.7 rather than ξ5/2 predicted by the current random-phase-approximation theory.

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DO - 10.1103/PhysRevLett.30.1252

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Critical Electron-Paramagnetic-Resonance Spin Dynamics in NiCl2

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