New mode of magnetic excitation in praseodymium

K.N. Clausen; K.A. McEwen; J. Jensen; A.R. Mackintosh

doi:10.1103/PhysRevLett.72.3104

New mode of magnetic excitation in praseodymium

K.N. Clausen, K.A. McEwen, J. Jensen, A.R. Mackintosh

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Abstract

A novel propagating mode of magnetic excitation has been observed in Pr. It takes the form of low-energy satellites to the crystal-field excitations on both the hexagonal and cubic sites which are very broad at long wavelengths, rise in energy and rapidly narrow with increasing q, and disappear beyond the point at which the two excitations would cross. The broadening may be abruptly quenched by a magnetic field. The satellite excitations are believed to be associated with the dynamics of the conduction electrons.

Original language	English
Journal	Physical Review Letters
Volume	72
Issue number	19
Pages (from-to)	3104-3107
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.72.3104
Publication status	Published - 1994

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title = "New mode of magnetic excitation in praseodymium",

abstract = "A novel propagating mode of magnetic excitation has been observed in Pr. It takes the form of low-energy satellites to the crystal-field excitations on both the hexagonal and cubic sites which are very broad at long wavelengths, rise in energy and rapidly narrow with increasing q, and disappear beyond the point at which the two excitations would cross. The broadening may be abruptly quenched by a magnetic field. The satellite excitations are believed to be associated with the dynamics of the conduction electrons. ",

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AU - Clausen, K.N.

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AU - Jensen, J.

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N2 - A novel propagating mode of magnetic excitation has been observed in Pr. It takes the form of low-energy satellites to the crystal-field excitations on both the hexagonal and cubic sites which are very broad at long wavelengths, rise in energy and rapidly narrow with increasing q, and disappear beyond the point at which the two excitations would cross. The broadening may be abruptly quenched by a magnetic field. The satellite excitations are believed to be associated with the dynamics of the conduction electrons.

AB - A novel propagating mode of magnetic excitation has been observed in Pr. It takes the form of low-energy satellites to the crystal-field excitations on both the hexagonal and cubic sites which are very broad at long wavelengths, rise in energy and rapidly narrow with increasing q, and disappear beyond the point at which the two excitations would cross. The broadening may be abruptly quenched by a magnetic field. The satellite excitations are believed to be associated with the dynamics of the conduction electrons.

KW - Materialer med særlige fysiske og kemiske egenskaber

U2 - 10.1103/PhysRevLett.72.3104

DO - 10.1103/PhysRevLett.72.3104

M3 - Journal article

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VL - 72

SP - 3104

EP - 3107

JO - Physical Review Letters

JF - Physical Review Letters

IS - 19

ER -

New mode of magnetic excitation in praseodymium

Abstract

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