Anisotropic penetration depth and optical sum rule violation in La(2-x)SrxCuO4
Abstract
We calculate the doping dependence of the penetration depths and optical sum rule violation in La(2-x)SrxCuO4 within the model of hole superconductivity. In the clean limit the predicted in-plane sum rule violation is larger than the c-axis one, however in the presence of disorder the latter one becomes very substantially enhanced.
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