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J. Saunders, R. Ling, W. Wojtanowski, E. Dobbs (1990)
Acoustic attenuation in superfluid3He-B at low pressuresJournal of Low Temperature Physics, 79
N. Schopohl, L. Tewordt (1981)
Landé factors of collective mode multiplets in3He-B and coupling strengths to sound wavesJournal of Low Temperature Physics, 45
R. Ling, J. Saunders, E. Dobbs (1987)
Ultrasonic Spectroscopy of the J=1- Collective Mode in Super fluid 3He–BJapanese Journal of Applied Physics, 26
N. Schopohl, L. Tewordt (1984)
Magnetic field dependence of zero-sound attenuation close to the pair-breaking edge in3He-B due toJ=1−,Jz=±1 collective modesJournal of Low Temperature Physics, 57
(1983)
Quantum Fluids and Solids -1983 (American Institute of Physics
S. Trickey, E. Adams, J. Dufty (1977)
Quantum fluids and solids
(1990)
Sauls, in Helium Three (Elsevier, Amsterdam, 1990), edited by W.P. Halperin and L.P. Pitaevskii, for the notation and a derivation of eq
G. Ihas, Y. Takano (1983)
Quantum fluids and solids, 1989
M. Daniels, E. Dobbs, J. Saunders, P. Ward (1983)
Observation of new structure in the collective mode spectrum of zero sound in /sup 3/He-BPhysical Review B, 27
Features in the zero sound attenuation near the pair-breaking edge in superfluid3He-B have been observed in large magnetic fields. Schopohl and Tewordt [J. Low Temp. Phys. 57, 601 (1984)] claim that theJ=1−,M=±1 order-parameter collective modes couple to zero sound as a result of the distortion of the equilibrium order parameter by a magnetic field; they identify the new features with these modes. However, we show that, when the effect of gap distortion on the collective modes is properly taken into account, the collective modes equations of Schopohl and Tewordt yield no direct coupling of zero sound to theJ=1− modes. Thus, the identification of the absorption features reported by Ling, Saunders, and Dobbs [Phys. Rev. Lett. 59, 461 (1987)] near the pair-breaking edge with theJ=1 − modes is not clearly established.
Journal of Low Temperature Physics – Springer Journals
Published: Nov 6, 2004
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