Abstract
The magnetic effects predicted by Leggett and Rice for Fermi liquids in the collisionless regime have been verified. Spin-echo measurements are reported which demonstrate the existence of spin waves and undamped spin currents in liquid3He and dilute3He-4He solutions. The experimental results are compared with the theoretical expressions of Leggett and Rice, and values of the Fermi liquid interaction parameter
are derived for three samples: liquid3He atP=0 and 27 atm, and a 6.4%3He-4He solution. In addition, some techniques for direct observation of individual spin-wave modes are explored and the results reported.
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Work supported in part by the National Science Foundation through Grant No. GP-24179 and the Advanced Research Projects Agency through the Cornell Materials Science Center, Report No. 1698.
National Science Foundation Predoctoral Fellow.
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Corruccini, L.R., Osheroff, D.D., Lee, D.M. et al. Spin-wave phenomena in liquid3He systems. J Low Temp Phys 8, 229–254 (1972). https://doi.org/10.1007/BF00655081
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DOI: https://doi.org/10.1007/BF00655081