Homogeneous Equal-Spin Pairing Superfluid State of 3He in Aerogel

D. T. Sprague, T. M. Haard, J. B. Kycia, M. R. Rand, Y. Lee, P. J. Hamot, and W. P. Halperin
Phys. Rev. Lett. 75, 661 – Published 24 July 1995
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Abstract

Pulsed nuclear magnetic resonance measurements of the transverse frequency and magnetization of superfluid 3He in a 98.2% porous aerogel are observed at temperatures reduced significantly below the bulk 3He superfluid transition and are discussed in terms of an isotropic impurity scattering model. Magnetization measurements suggest an equal-spin pairing superfluid. For NMR tipping angles, φ40°, the shifts drop abruptly to zero, unlike the known dependence of either the 3HeA or 3HeB superfluid phases.

  • Received 21 April 1995

DOI:https://doi.org/10.1103/PhysRevLett.75.661

©1995 American Physical Society

Authors & Affiliations

D. T. Sprague, T. M. Haard, J. B. Kycia, M. R. Rand, Y. Lee, P. J. Hamot, and W. P. Halperin

  • Department of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208

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Vol. 75, Iss. 4 — 24 July 1995

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