New Dissipation Relaxation Phenomenon in Oscillating Solid He-4
arXiv:0803.2909 · doi:10.1103/PhysRevLett.100.215303
Abstract
We describe the first observations on the time-dependent dissipation when the drive level of a torsional oscillator containing solid He-4 is abruptly changed. The relaxation of dissipation in solid He-4 shows rich dynamical behavior including exponential and logarithmic time-dependent decays, hysteresis, and memory effects.
4 pages, 4 figures