Magnon-magnon and exciton-magnon interaction effects on antiferromagnetic spectra

R. J. Elliott; M. F. Thorpe; G. F. Imbusch; R. Loudon; J. B. Parkinson

doi:10.1103/PhysRevLett.21.147

Magnon-magnon and exciton-magnon interaction effects on antiferromagnetic spectra

R. J. Elliott, M. F. Thorpe, G. F. Imbusch, R. Loudon, J. B. Parkinson

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Abstract

Two-magnon absorption and Raman experiments create pairs of magnons in close proximity, and hence, the magnon-magnon interaction has an important effect on the spectral line shape. Green's-function methods have been used to calculate this effect and the results applied the example of cubic antiferromagnets like RbMnF3. Similar techniques are used to find the effect of exciton-magnon interaction on the sidebands in RbMnF3; corresponding experimental results are presented.

Original language	English (US)
Pages (from-to)	147-150
Number of pages	4
Journal	Physical Review Letters
Volume	21
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevLett.21.147
State	Published - 1968
Externally published	Yes

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General Physics and Astronomy

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10.1103/PhysRevLett.21.147

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title = "Magnon-magnon and exciton-magnon interaction effects on antiferromagnetic spectra",

abstract = "Two-magnon absorption and Raman experiments create pairs of magnons in close proximity, and hence, the magnon-magnon interaction has an important effect on the spectral line shape. Green's-function methods have been used to calculate this effect and the results applied the example of cubic antiferromagnets like RbMnF3. Similar techniques are used to find the effect of exciton-magnon interaction on the sidebands in RbMnF3; corresponding experimental results are presented.",

author = "Elliott, {R. J.} and Thorpe, {M. F.} and Imbusch, {G. F.} and R. Loudon and Parkinson, {J. B.}",

note = "Funding Information: Research partially supported by the U. S. Department of the Army through its European Research Office. Funding Information: Work supported by a grant from the Ministry of Technology.",

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AU - Elliott, R. J.

AU - Thorpe, M. F.

AU - Imbusch, G. F.

AU - Loudon, R.

AU - Parkinson, J. B.

N1 - Funding Information: Research partially supported by the U. S. Department of the Army through its European Research Office. Funding Information: Work supported by a grant from the Ministry of Technology.

PY - 1968

Y1 - 1968

N2 - Two-magnon absorption and Raman experiments create pairs of magnons in close proximity, and hence, the magnon-magnon interaction has an important effect on the spectral line shape. Green's-function methods have been used to calculate this effect and the results applied the example of cubic antiferromagnets like RbMnF3. Similar techniques are used to find the effect of exciton-magnon interaction on the sidebands in RbMnF3; corresponding experimental results are presented.

AB - Two-magnon absorption and Raman experiments create pairs of magnons in close proximity, and hence, the magnon-magnon interaction has an important effect on the spectral line shape. Green's-function methods have been used to calculate this effect and the results applied the example of cubic antiferromagnets like RbMnF3. Similar techniques are used to find the effect of exciton-magnon interaction on the sidebands in RbMnF3; corresponding experimental results are presented.

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Magnon-magnon and exciton-magnon interaction effects on antiferromagnetic spectra

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