Spectral diffusion decay of spontaneous echoes in disordered systems
- 1 January 1980
- journal article
- Published by EDP Sciences in Journal de Physique Lettres
- Vol. 41 (12) , 291-294
- https://doi.org/10.1051/jphyslet:019800041012029100
Abstract
In a system of two level systems or 1/ 2 spins, the relaxation of spontaneous echoes is obtained in the framework of the Klauder-Anderson scheme. The assumption of a hyperbolic distribution relaxation times T1 (or « 1/f noise ») leads to a general relaxation law : exp(— γ Tτ) where T is the temperature, τ the delay time between the two pulses and γ a coefficient depending only on the average interaction between the thermally excited two level systemsKeywords
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