Geodesic
Description of magnetic relaxation of spins in fluids in terms of a Bogolyubov hierarchy of relaxation times
Teoretičeskaâ i matematičeskaâ fizika, Tome 30 (1977) no. 2, pp. 264-281 
R. M. Yul'met'yev. Description of magnetic relaxation of spins in fluids in terms of a Bogolyubov hierarchy of relaxation times. Teoretičeskaâ i matematičeskaâ fizika, Tome 30 (1977) no. 2, pp. 264-281. http://geodesic.mathdoc.fr/item/TMF_1977_30_2_a11/
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     title = {Description of magnetic relaxation of spins in fluids in terms of {a~Bogolyubov} hierarchy of relaxation times},
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Voir la notice de l'article provenant de la source Math-Net.Ru

Magnetic relaxation of spins in fluids is analysed on the basis of a fundamental idea by N. N. Bogoliubov about the hierarchy of relaxation times in the system. Application of this profound physical idea makes it possible to simplify considerably the description of time evolution of a spin system in dependence on the time scale considered. With the aid of the hierarchy of time scales for the relaxation of spins, momenta of particles and intermolecular forces, the theory of magnetic relaxation in fluid is formulated for the region including weak as well as strong “collisions” of spins with moleculas. Limiting values of the time of longitudinal and transversal relaxation are found.

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