type II superconductor

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type II superconductor

[′tīp ¦tü ¦sü·pər·kən′dək·tər]
(cryogenics)
A superconductor for which there are two critical magnetic fields; magnetic flux is completely excluded from the interior of the material only at field strengths below the smaller critical field, and at field strengths between the two critical fields the magnetic flux consists of flux vortices in the form of filaments embedded in the superconducting material. Also known as high-field superconductor (HFS).
References in periodicals archive ?
Distribution of transport current in a type-II superconductor studied by small-angle neutron scattering, Physical Review Letters 90(8): 087002-1-4.
Nobel lecture: type-II superconductors and the vortex lattice, Reviews of Modern Physics 76: 975-979.
STM differential conductance of a disordered extreme type-II superconductor high magnetic fields.
To investigate this type of energy loss, we studied the behavior of type-II superconductor exposed to an oscillating magnetic field simulated using time-dependent Ginzburg-Landau (TDGL) equations [15, 26, 27] near critical temperature with and without an additional static background magnetic field.
Ruiz, "Magnetic characteristics and AC losses of DC type-II superconductors under oscillating magnetic fields," Superconductor Science and Technology, vol.
In these seven papers contributors describe their research in facets of Josephson junctions, including progress in fabrication techniques for circuits of small capacitance, the order parameter symmetry of unconventional superconductors by Josephson effects, annular Josephson tunnel junctions that monitor causal horizons, non-equilibrium phase diagrams of current-driven arrays, Josephson vortex behavior in certain superconducting ceramics under a low frequency magnetic field, thermomagnetic shock waves in the vortex stage of Type-II superconductors and finite temperature effects on the quantum phase transition in disordered d-wave superconductors.
The behavior of quantized flux lines in type-II superconductors is of critical importance in a variety of high-current applications anticipated for "high temperature" superconductors, such as magnets for medical imaging and power transmission cables.
It became clear that the high [T.sub.c] superconductors were very much like conventional type-II superconductors with paired holes instead of paired electrons.
Among their topics are the laser ablation of MgB2 thin films and the characterization of the magnetic flux structure by means of magneto-optics and surface acoustic waves, the theory of superconductivity in doped cuprates, and thermo-magnetic shock waves in the vortex state of type-II superconductors.
Clem, "Theory of high-frequency linear response of isotropic type-II superconductors in the mixed state," Physical Review B, vol.
Huse, "Thermal fluctuations, quenched disorder, phase transitions, and transport in type-II superconductors," Physical Review B, vol.

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