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Phase Diagram of Superfluid 3He in a Nematic Aerogel in a Strong Magnetic Field

  • E. V. SurovtsevEmail author
ORDER, DISORDER, AND PHASE TRANSITION IN CONDENSED SYSTEM
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Abstract

The simultaneous effect of a nematic aerogel and a strong magnetic field on the phase diagram of superfluid 3He is considered. Using the Ginzburg–Landau theory, the domains of existence of new phases, viz., β phase (P1), distorted β phase (P2), distorted A phase (\(A_{4}^{{({\text{I}})}}\)), and distorted planar phase (\(A_{4}^{{{\text{(II)}}}}\)), are determined. It is shown that order parameter components of the β phase have the maximal transition temperature. The conditions for the existence of the second-order transition from the distorted β phase to the distorted planar phase is formulated.

Notes

ACKNOWLEDGMENTS

The author is grateful to I.A. Fomin, V.V. Dmitriev, and A.A. Soldatov for fruitful discussions of the results.

This study was supported by the Russian Science Foundation (project no. 18-12-00384).

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© Pleiades Publishing, Inc. 2019

Authors and Affiliations

  1. 1.Kapitza Institute for Physical Problems, Russian Academy of SciencesMoscowRussia

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