Small-Angle Neutron Scattering & T he Superconducting Vortex Lattice. Superconductors: What & Why. Discovered in 1911 By H. Kammerlingh-Onnes , who observed at complete loss of resistance in mercury below 4.2 K.
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Small-Angle Neutron Scattering&The Superconducting Vortex Lattice
36.5 MW ship propulsion motor
Loss free energy transport
(Railway Technical Research Institute,
University of Oslo, Superconductivity lab.
SANS-I beam line at Paul Scherrer Institute, Villigen (Switzerland).
l = 10 Å
d = 1000 Å
a) FS anisotropy + non-local electrodynamics → VL symmetry transitions.
b) Anisotropic s-wave (s+g?) gap symmetry (nodes along 100).
K. Maki, P. Thalmeier, H. Won,
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J. M. Densmoreet al., Phys. Rev. B 79, 174522 (2009)