Generalized London free energy for high-Tc vortex lattices
Ian Affleck, Marcel Franz, M. H. Sharifzadeh Amin
Abstract
We generalize the London free energy to include four-fold anisotropies which could arise from d-wave pairing or other sources in a tetragonal material. We use this simple model to study vortex lattice structure and discuss neutron scattering, STM, Bitter decoration and μSR experiments.
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