An organizing principle for two-dimensional strongly correlated superconductivity. / Fratino, Lorenzo; Semon, P.; Sordi, Giovanni; Tremblay, A. -M. S.

In: Scientific Reports, Vol. 6, 22715, 11.03.2016, p. 1-6.

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Abstract

Superconductivity in the cuprates exhibits many unusual features. We study the two-dimensional Hubbard model with plaquette dynamical mean-field theory to address these unusual features and relate them to other normal-state phenomena, such as the pseudogap. Previous studies with this method found that upon doping the Mott insulator at low temperature a pseudogap phase appears. The low-temperature transition between that phase and the correlated metal at higher doping is first-order. A series of crossovers emerge along the Widom line extension of that first-order transition in the supercritical region. Here we show that the highly asymmetric dome of the dynamical mean-field superconducting transition temperature Tdc, the maximum of the condensation energy as a function of doping, the correlation between maximum Tdc and normal-state scattering rate, the change from potential-energy driven to kinetic-energy driven pairing mechanisms can all be understood as remnants of the normal state first-order transition and its associated crossovers that also act as an organizing principle for the superconducting state.
Original languageEnglish
Article number22715
Pages (from-to)1-6
Number of pages6
JournalScientific Reports
Volume6
DOIs
Publication statusPublished - 11 Mar 2016
This open access research output is licenced under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.

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