Abstract

Vortex dynamics of YBa 2Cu 3O 7−δ films with controlled columnar defects (CD) were investigated using angle resolved resistivity measurements. The Bose Glass Temperature T BG is found to decrease with increasing angle between the applied field and CDs. The Critical exponent ν( z − 2), where ν is the static exponent and z is the dynamic exponent, were found to be angle independent.

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