This article is cited in 22 papers

CONDENSED MATTER

Order parameter of $A$-like $^3$He phase in aerogel

I. A. Fomin

P. L. Kapitza Institute for Physical Problems, Russian Academy of Sciences, Moscow

Abstract: In the framework of a phenomenological description of superfluid $^3$He in aerogel, a criterion of choosing the form of the order parameter close to the transition is obtained. Besides the BW phase, the order parameter of the axiplanar phase with specially chosen free parameters also satisfies this criterion. Such an order parameter is proposed as limiting at $T\to T_c$ for an $A$-like phase observed for $^3$He in aerogel.

PACS: 67.57.-z

Received: 30.01.2003

 English version: Journal of Experimental and Theoretical Physics Letters, 2003, 77:5, 240–242

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