Global and local measures of the intrinsic Josephson coupling in Ti(sub2)Ba(sub2)CuO(sub6) as a test of the interlayer tunnelling model
Article Abstract:
In the interlayer tunnelling (ILT) model, superconductivity is created by tunnelling of electron pairs between copper oxide planes. It predicts that superconducting condensation energy is almost equal to kinetic energy gain. Both energies can be independently determined to give a quantitative test of the model. Direct imaging of magnetic flux vortices also provides a test, which was performed in the high temperature superconductor TI(sub2)Ba(sub2)Cu0(sub6).
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1998
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Nodal quasiparticle in pseudogapped colossal magnetoresistive manganites
Article Abstract:
A characteristic feature of the copper oxide high-temperature superconductors is the dichotomy between the electronic excitations along the nodal and antinodal directions in momentum space, generally assumed to be linked to the 'd-wave' symmetry of the superconducting state. Experimental evidence proves that a very similar pseudogap state with a nodal-antinodal dichotomous character exists in a system that is markedly different from a superconductor.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2005
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