Order-disorder transition induced by deformation of vortex lines at the twin boundaries in YBa$_2$Cu$_3$O$_{7-\delta}$-crystals: test of the Lindemann criteria

We show that rotation of the magnetic field off the plane of twin boundaries (TB's) induces transition of an ordered vortex solid phase to a disordered one. This transition arises due to appearance of transverse deformations of vortex lines near the TB's, $u_{t,TB}$, the amplitude of which...

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Hauptverfasser: Petrusenko, Yu. T, Bondarenko, A. V, Zavgorodniy, A. A, Obolenskii, M. A, Beletskii, V. I
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Sprache:eng
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