A general dispersion relation for spin-phonon excitations in paramagnets |
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| Authors: | J.W. Tucker |
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| Affiliation: | Physics Department, Sheffield University, Sheffield S3 7RH, UK |
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| Abstract: | The advantage of using standard basis operators in evaluating the semi-invariants occurring in the diagrammatic theory of spin-phonon modes is discussed. The dispersion relation of the coupled-mode excitations is derived for paramagnetic ions of arbitrary spin having a general static spin hamiltonian. |
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