Kinetic theory of resonance and relaxation in spin systems

Jerzy Łuczka

Physica A: Statistical Mechanics and its Applications, 1982, vol. 111, issue 1, 240-254

Abstract: The kinetic equations which describe relaxation processes in EPR are analysed in the case of absence of the spin resonance frequency shift. The boundary conditions problem for integro- differential equations in dependence on the choice of initial time t0 (the lower limit of integration) is discussed in detail. It is explicitly exhibited that the asymptotic states of a system described by the non-Markovian equations as well as the asymptotic states of a system described by the Markovian ones (which are approximate in relation to the integro-differential ones) are determined by equations of the same form. The question of the Markovian approximation is considered.

Date: 1982
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:111:y:1982:i:1:p:240-254

DOI: 10.1016/0378-4371(82)90091-7

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