The Bose-glass phase in twinned YBaCuO(123)

Abstract

Using an extensive scaling analysis of the transport properties in twinned YBaCuO(123) crystals we have experimentally found the predicted change in the universality class of the Bose-glass to liquid transition when the magnetic field is applied at small angles away from the direction of the correlated defects. The new dynamical critical exponent is s'=1.1 +/-0.2.

4 pages, 4 figures

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