Theory of Nonlinear Meissner Effect in High-Tc Superconductors
Strongly Correlated Electrons
2009-11-11 v1 Superconductivity
Abstract
We investigate the nonlinear Meissner effect microscopically. Previous studies did not consider a certain type of interaction effect on the nonlinear phenomena. The scattering amplitude barely appears without being renormalized into the Fermi-liquid parameter. With this effect we can solve the outstanding issues (the quantitative problem, the temperature and angle dependences). The quantitative calculation is performed with use of the fluctuation-exchange approximation on the Hubbard model. It is also shown that the perturbation expansion on the supercurrent by the vector potential converges owing to the nonlocal effect.
Keywords
Cite
@article{arxiv.cond-mat/0504657,
title = {Theory of Nonlinear Meissner Effect in High-Tc Superconductors},
author = {Takanobu Jujo},
journal= {arXiv preprint arXiv:cond-mat/0504657},
year = {2009}
}