Abstract:
We present results of experiments in superfluid phases
of 3He confined in aerogel which strands are nearly parallel to
one another. High temperature superfluid phases of 3He in this
aerogel (ESP1 and ESP2) are biaxial
chiral phases and have polar
distorted ABM order parameter which orbital part forms 2D
Larkin–Imry–Ma state. We demonstrate that this state can be
anisotropic if the aerogel is squeezed in direction transverse to
the strands. Values of this anisotropy in ESP1 and ESP2 phases are
different, what leads to different NMR properties.
Citation:
R. Sh. Askhadullin, V. V. Dmitriev, P. N. Martynov, A. A. Osipov, A. A. Senin, A. N. Yudin, “Anisotropic 2D Larkin–Imry–Ma state in polar distorted ABM
phase of 3He in “nematically ordered” aerogel”, Pis'ma v Zh. Èksper. Teoret. Fiz., 100:10 (2014), 747–753; JETP Letters, 100:10 (2014), 662–668
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