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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2007, Volume 86, Issue 3, Pages 244–248
(Mi jetpl824)
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This article is cited in 60 scientific papers (total in 60 papers)
CONDENSED MATTER
The Orientation Effect on Superfluid $^3$He in Anisotropic Aerogel
T. Kunimatsua, T. Satob, K. Izuminab, A. Matsubaraabc, Y. Sasakiac, M. Kubotaa, O. Ishikawad, T. Mizusakia, Yu. M. Bunkovbe a Department of Physics, Graduate School of Science, Kyoto University
b Institute for Solid State Physics, The University of Tokyo
c Research Center for Low Temperature and Materials Sciences, Kyoto University
d Graduate School of Science, Osaka City University
e MCBT, Institute Neel, CNRS
Abstract:
We report on the orientation of the order parameter in the A-like and B-like phases of superfluid $^3$He immersed in uniaxially-compressed aerogel. By NMR methods we find that the orbital momentum of the A- and B-like phases is oriented along the deformation. In the A-like phase we observe a relatively narrow NMR line with an anomalously large negative frequency shift. We have succeeded in measuring the Leggett frequency in the A-like phase which shows the same energy gap suppression as in the B-like phase.
Received: 21.06.2007
Citation:
T. Kunimatsu, T. Sato, K. Izumina, A. Matsubara, Y. Sasaki, M. Kubota, O. Ishikawa, T. Mizusaki, Yu. M. Bunkov, “The Orientation Effect on Superfluid $^3$He in Anisotropic Aerogel”, Pis'ma v Zh. Èksper. Teoret. Fiz., 86:3 (2007), 244–248; JETP Letters, 86:3 (2007), 216–220
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https://www.mathnet.ru/eng/jetpl824 https://www.mathnet.ru/eng/jetpl/v86/i3/p244
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