Yu M Mukharsky
Articles written in Pramana – Journal of Physics
Volume 28 Issue 5 May 1987 pp 590-590 Abstracts
Study of the two-domain processing structure in the superfluid3He-B
A S Borovik-Romanov Yu M Bunkov V V Dmitriev Yu M Mukharsky I A Fomin
The systematic experimental and theoretical investigation of the longlived induction signal, known to exist in the3He-B, has shown that even very small nonuniformity of a steady magnetic field
After the formation of the two-domain structure, as well as after a perturbation of the structure by short r.f. pulses, low frequency (≈200 Hz) modulation of the induction signal is observed due to vibration of the structure. These vibrations are the standing spin waves in the precessing domain, their frequency being proportional to the size of the domain. The observed dependence of the frequency on other parameters is in agreement with theoretical calculations.
The analysis of the data on the vibration and relaxation of the two-domain structure enables us to find the spin wave velocity and the spin diffusion coefficient in3He-B.
Further investigation of the two-domain structure enables the study of spin supercurrents in3He-B.
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