AI Article Synopsis
- Randomly distributed point impurities and planar defects impact order and transport properties in type-II superconductors, leading to a new glassy phase in the flux line lattice.
- This new phase exhibits unique features such as a transverse Meissner effect, significant susceptibility fluctuations between samples, and a decline in long-range translational order.
- Under strong disorder, the flux creep resistivity for currents parallel to defects follows an exponential decay pattern, and dislocations form to alleviate shear stress.
Article Abstract
The influence of randomly distributed point impurities and planar defects on the order and transport in type-II superconductors and related systems is considered theoretical. For random planar defects of identical orientation, the flux line lattice exhibits a new glassy phase with diverging shear and tilt modulus, a transverse Meissner effect, large sample to sample fluctuations of the susceptibility, and an exponential decay of translational long range order. The flux creep resistivity for currents J parallel to the defects is p(J) to approximately exp-(J0/J)mu with mu = 3/2. Strong disorder enforces an array of dislocations to relax shear
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| http://dx.doi.org/10.1103/PhysRevLett.101.267005 | DOI Listing |
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