On the problem of catastrophic relaxation in superfluid 3-He-B

Details On the problem of catastrophic relaxation in superfluid 3-He-B On the problem of catastrophic relaxation in superfluid 3-He-B

2006-08-15

arxiv.org/abs/nlin/0608032v1

Pis'ma ZhETF 84 (2006) 349-353; JETP Lett. 84 (2006) 289-293

Nonlinear Sciences

Chaotic Dynamics

5 pages, 1 fig. included, JETP Lett. style, submitted to JETP Lett. as response to Comment cond-mat/0606760

Scientific paper

10.1134/S0021364006180032

In this Letter we discussed the parametric instability of texture of homogeneous (in time) spin precession, explaining how spatial inhomogeneity of the texture may change the threshold of the instability in comparison with idealized spatial homogeneous case, considered in our JETP Letter \textbf{83}, 530 (2006), cond-mat/0605386. This discussion is inspired by critical Comment of I.A. Fomin (cond-mat/0606760) related to the above questions. In addition we considered here results of direct numerical simulations of the full Leggett-Takagi equation of motion for magnetization in superfluid 3He-B and experimental data for magnetic field dependence of the catastrophic relaxation, that provide solid support of the theory of this phenomenon, presented in our 2006 JETP Letter.

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