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Momentum-dependent relaxation dynamics of the doped repulsive Hubbard model
Sharareh Sayyad, Naoto Tsuji, Abolhassan Vaezi +3
We study the dynamical behavior of doped electronic systems subject to a global ramp of the repulsive Hubbard interaction. We start with formulating a real-time generalization of t…
Superconductivity arising from layer-differentiation in multi-layer cuprates
Kazutaka Nishiguchi, Shingo Teranishi, Koichi Kusakabe +1
In order to theoretically identify the factors governing superconductivity in multi-layer cuprates, a three-layer Hubbard model is studied with the two-particle self-consistent (TP…
Why the critical temperature of high- cuprate superconductors is so low: The importance of the dynamical vertex structure
Motoharu Kitatani, Thomas Schäfer, Hideo Aoki +1
To fathom the mechanism of high-temperature () superconductivity, the dynamical vertex approximation (DA) is evoked for the two-dimensional repulsive Hubbard model. A…