Multimode probing of superfluid ${}^4\mathbf{He}$ by tuning forks

A. Guthrie, R. P. Haley, A. Jennings +9

Flexural mode vibrations of miniature piezoelectric tuning forks (TF) are known to be highly sensitive to superfluid excitations and quantum turbulence in ${}^3\mathrm{He}$ and $\mat…