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Superfluid 3He in strong magnetic fields: Anomalous sound attenuation in the B phase and evidence for splitting of the AB transition
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Authors
Kyynäräinen, J. M.
Pekola, J. P.
Manninen, A. J.
Torizuka, K.
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en
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4
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Physical Review Letters, Volume 64, issue 9, pp. 1027-1030
Abstract
Zero sound attenuation at 8.9 and 26.8 MHz in B3 shows an extremum at TAB in a field of 2 kG at low pressures, both in the stationary and in the rotating superfluid. This is in accordance with the prediction that a critical magnetic field separates two types of B phases at the AB transition line, with and without nodes in the energy gap, respectively, and with a change in the nature of the transition. The AB phase transition takes place via an intermediate state, possibly a new phase, characterized by excess sound attenuation.
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Kyynäräinen, J M, Pekola, J P, Manninen, A J & Torizuka, K 1990, 'Superfluid 3 He in strong magnetic fields : Anomalous sound attenuation in the B phase and evidence for splitting of the AB transition', Physical Review Letters, vol. 64, no. 9, pp. 1027-1030. https://doi.org/10.1103/PhysRevLett.64.1027