Bean-Livingston barrier enhancement on nodal surface of the d-wave superconductor YBa2Cu3O{7-x}

G. Leibovitch, R. Beck, A. Kohen +1

Vortex entry into (110) oriented YBa${}_2$Cu${}_3$O${}_{7-x}$ films has been studied by tunneling into Andreev - Saint-James bound states, whose energy is shifted by surface currents. At…