Antiferromagnetic fluctuations and d-wave superconductivity in electron-doped high-temperature superconductors

TitreAntiferromagnetic fluctuations and d-wave superconductivity in electron-doped high-temperature superconductors
Type de publicationJournal Article
Nouvelles publications2003
AuteursKyung, B, Landry, JS, Tremblay, A-MS
JournalPhysical Review B
Volume68
Pagination174502/1-5
Année de publication2003
Résumé

We show that, at weak to intermediate coupling, antiferromagnetic fluctuations enhance d-wave pairing correlations until, as one moves closer to half-filling, the antiferromagnetically induced pseudogap begins to suppress the tendency to superconductivity. The accuracy of our approach is gauged by detailed comparisons with quantum Monte Carlo simulations. The negative pressure dependence of T-c and the existence of photoemission hot spots in electron-doped cuprate superconductors find their natural explanation within this approach.

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