6 papers
Charge-transfer gap size and oxygen hole content as two mechanisms controlling in the Emery model
Eleanor M. O'Callaghan, Nicolas Kowalski, A. -M. S. Tremblay +1
Investigating the drivers of superconducting critical temperature trends in cuprates is crucial for uncovering the mechanism of high-temperature superconductivity. Here we study th…
Correlation of maximum superconducting critical temperature with copper-oxygen energy distance and oxygen hole content in the Emery model
Eleanor M. O'Callaghan, Nicolas Kowalski, A. -M. S. Tremblay +1
Identifying microscopic parameters that optimize the maximum superconducting critical temperature in the canonical model of the copper-oxygen plane of cuprates, the…
Dynamics of superconducting pairs in the two-dimensional Hubbard model
G. Sordi, E. M. O'Callaghan, C. Walsh +3
The frequency structure of the superconducting correlations in cuprates gives insights on the pairing mechanism. Here we present an exhaustive study of this problem in the two-dime…
Charge gap and charge redistribution among copper and oxygen orbitals in the normal state of the Emery model
G. L. Reaney, N. Kowalski, A. -M. S. Tremblay +1
Unraveling the behavior of the electrons in the copper-oxygen planes of cuprate superconductors remains a challenge. Here we examine the electronic charge redistribution among plan…
Ambipolar doping of a charge-transfer insulator in the Emery model
G. Sordi, G. L. Reaney, N. Kowalski +2
Understanding the similarities and differences between adding or removing electrons from a charge-transfer insulator may provide insights about the origin of the electron-hole asym…
Introducing the concept of the Widom line in the QCD phase diagram
G. Sordi, A. -M. S. Tremblay
Critical phenomena emerging from the critical end point of a first-order transition are ubiquitous in nature. Here we bring the concept of a supercritical crossover, the Widom line…