Collective Modes and f-wave Pairing Interactions in Superfluid 3He
J.P. Davis, H. Choi, J. Pollanen, W.P. Halperin
TL;DR
This paper investigates how collective modes in superfluid 3He B are affected by quasiparticle and f-wave pairing interactions, using acoustic measurements to fit theoretical models and explore new order parameter modes.
Contribution
It provides new experimental data and analysis on the influence of f-wave pairing interactions on collective modes in superfluid 3He B.
Findings
Measured collective mode frequencies at various pressures
Fitted data to theoretical models involving f-wave pairing
Discussed implications for observing new order parameter modes
Abstract
Precision measurements of a collective mode in superfluid 3He B are sensitive to quasiparticle and f wave pairing interactions. Measurements were performed at various pressures using interference of transverse sound in an acoustic cavity. We fit the measured collective mode frequencies, which depend on the strength of f wave pairing and the Fermi liquid parameter F2s, to theoretical predictions and discuss what implications these values have for observing new order parameter collective modes.
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