Observation of vortex lattice melting in large untwinned YBa${}_2$Cu${}_3$O${}_{7-x}$ single crystals

C. M. Aegerter, H. Keller, S. H. Lloyd +12

We present a study of the vortex lattice in untwinned YBa${}_2$Cu${}_3$O${}_{7-x}$ crystals, using a combination of muon spin rotation and neutron small angle scattering measurements. Bo…