Vortex dynamics of YBa2Cu3O7-delta films with controlled columnar defects (
CD) were investigated using angle resolved resistivity measurements, The Bo
se Glass Temperature T-BG is found to decrease with increasing angle betwee
n the applied field and CDs. The Critical exponent v(z - 2), where v is the
static exponent and z is the dynamic exponent, were found to be angle inde
pendent. (C) 1999 Elsevier Science B.V. All rights reserved.