Collapse of the vortex-lattice inductance and shear modulus at the melting transition in untwinned $\mathrm{YB}{\mathrm{a}}_2\mathrm{C}{\mathrm{u}}_3{\mathrm{O}}_7$

Peter Matl, N. P. Ong, R. Gagnon +1

The complex resistivity $\hat{\rho }(\omega )$ of the vortex lattice in an untwinned crystal of 93-K $\mathrm{YB}{\mathrm{a}}_2\mathrm{C}{\mathrm{u}}_3{\mathrm{O}}_7$ has been measured at frequencies $\omega /2\pi$ from 100 kHz to 20 MHz in a 2-Te…