Insensitivity of d-wave pairing to disorder in the high-temperature cuprate superconductors

A. F. Kemper; D. G.S.P. Doluweera; T. A. Maier; M. Jarrell; P. J. Hirschfeld; H. P. Cheng

doi:10.1103/PhysRevB.79.104502

Insensitivity of d-wave pairing to disorder in the high-temperature cuprate superconductors

A. F. Kemper, D. G.S.P. Doluweera, T. A. Maier, M. Jarrell, P. J. Hirschfeld, H. P. Cheng

Computational Sciences & Engineering Div

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19 Scopus citations

Abstract

Using a dynamical cluster quantum Monte Carlo approximation, we investigate the effect of local disorder on the stability of d -wave superconductivity including the effect of electronic correlations in both particle-particle and particle-hole channels. With increasing impurity potential, we find an initial rise of the critical temperature due to an enhancement of antiferromagnetic spin correlations, followed by a decrease of T_c due to scattering from impurity-induced moments and ordinary pair breaking. We discuss the weak initial dependence of T_c on impurity concentration found in comparison to experiments on cuprates.

Original language	English
Article number	104502
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	79
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevB.79.104502
State	Published - Mar 3 2009

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abstract = "Using a dynamical cluster quantum Monte Carlo approximation, we investigate the effect of local disorder on the stability of d -wave superconductivity including the effect of electronic correlations in both particle-particle and particle-hole channels. With increasing impurity potential, we find an initial rise of the critical temperature due to an enhancement of antiferromagnetic spin correlations, followed by a decrease of Tc due to scattering from impurity-induced moments and ordinary pair breaking. We discuss the weak initial dependence of Tc on impurity concentration found in comparison to experiments on cuprates.",

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AU - Jarrell, M.

AU - Hirschfeld, P. J.

AU - Cheng, H. P.

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Insensitivity of d-wave pairing to disorder in the high-temperature cuprate superconductors

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