Response functions and collective modes of He3 in strong magnetic fields: Determination of material parameters from experiments

R. S. Fishman*, James A Sauls

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

This is the second of two papers on the response functions and collective modes of B3 in a strong magnetic field. Here we compare the theory developed in the first paper [R. S. Fishman and J. A. Sauls, Phys. Rev. B 33, 6068 (1986)] with the susceptibility data of Scholz and Hoyt et al. and with the collective-mode data of Shivaram et al. at the lowest pressures, where strong-coupling corrections to the BCS free energy are known to be negligible. In principle this comparison yields new results for some of the material parameters of liquid He3. Determinations of these material parameters are important for testing the consistency of quasiclassical theory and the interpretation of different measurable properties of He3, and perhaps future microscopic theories of quantum liquids. The material parameters extracted from these two different data bases are in serious disagreement, and cannot be reconciled even with radically different empirical temperature scales. We do, however, find that our determination of the f-wave interaction at p0 bar agrees with that obtained by Meisel et al. who analyze the zero-field squashing-mode data.

Original languageEnglish (US)
Pages (from-to)2526-2532
Number of pages7
JournalPhysical Review B
Volume38
Issue number4
DOIs
StatePublished - Jan 1 1988

ASJC Scopus subject areas

  • Condensed Matter Physics

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