Magnon softening in metals at quantizing magnetic fields

A. Gordon; N. Logoboy; W. Joss

doi:10.1016/j.ssc.2003.12.042

Magnon softening in metals at quantizing magnetic fields

A. Gordon, N. Logoboy, W. Joss

Research output: Contribution to journal › Article › peer-review

Abstract

Diamagnetic phase transition is shown to be associated with the instability of the three-dimensional electron gas against a temperature dependent magnon soft mode whose frequency vanishes at the phase transition point. Temperature and sample size softening of the magnon mode of an orbital nature is considered at quantizing magnetic fields under conditions of the non-linear de Haas-van Alphen effect in bulk metals and confined metallic samples.

Original language	English
Pages (from-to)	131-135
Number of pages	5
Journal	Solid State Communications
Volume	130
Issue number	1-2
DOIs	https://doi.org/10.1016/j.ssc.2003.12.042
State	Published - Apr 2004

Bibliographical note

Funding Information:
The authors are grateful to the Forschungszentrum Jülich, to K. Urban and B. Grushko, for their hospitality and to I.D. Vagner and P. Wyder for their interest in this work. We are especially indebted to B. Grushko for valuable discussions. We acknowledge G. Solt for providing us with reprints of his papers. One of us (A. G.) is grateful to the Center for Computational Mathematics and Scientific Computation for support.

Keywords

D. Condon domains
D. de Haas-van Alphen effect
D. Electron gas at quantizing magnetic fields

ASJC Scopus subject areas

Chemistry (all)
Condensed Matter Physics
Materials Chemistry

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10.1016/j.ssc.2003.12.042

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title = "Magnon softening in metals at quantizing magnetic fields",

abstract = "Diamagnetic phase transition is shown to be associated with the instability of the three-dimensional electron gas against a temperature dependent magnon soft mode whose frequency vanishes at the phase transition point. Temperature and sample size softening of the magnon mode of an orbital nature is considered at quantizing magnetic fields under conditions of the non-linear de Haas-van Alphen effect in bulk metals and confined metallic samples.",

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AU - Logoboy, N.

AU - Joss, W.

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AB - Diamagnetic phase transition is shown to be associated with the instability of the three-dimensional electron gas against a temperature dependent magnon soft mode whose frequency vanishes at the phase transition point. Temperature and sample size softening of the magnon mode of an orbital nature is considered at quantizing magnetic fields under conditions of the non-linear de Haas-van Alphen effect in bulk metals and confined metallic samples.

KW - D. Condon domains

KW - D. de Haas-van Alphen effect

KW - D. Electron gas at quantizing magnetic fields

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JO - Solid State Communications

JF - Solid State Communications

IS - 1-2

ER -

Magnon softening in metals at quantizing magnetic fields

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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