Magnetic resonance saturation in solids at finite temperatures

L.J. de Haas, W.Th. Wenckebach and N.J. Poulis

Physica A: Statistical Mechanics and its Applications, 1980, vol. 103, issue 1, 295-315

Abstract: The present paper gives an extension of the Provotorov theory of magnetic resonance saturation to finite temperatures. Such an extension is not straightforward because at finite temperatures when line-shape and resonance frequency become temperature dependent the weak coupling expansion in a small h.f. field is no longer convergent. In this paper it is assumed that this expansion can be renormalized by means of spin temperature concepts. The results are formulated using a version of the Mori formalism without recourse to a linear response approximation.

Date: 1980
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:103:y:1980:i:1:p:295-315

DOI: 10.1016/0378-4371(80)90219-8

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