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- Sapienza University of RomeIT32 papers
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4 papers · 2 filters
Optical conductivity and the correlation strength of high temperature copper-oxide superconductors
A. Comanac, L de Medici, M. Capone +1
High temperature copper-oxide-based superconductivity is obtained by adding carriers to insulating "parent compounds". It is widely believed the parent compounds are "Mott" insulat…
Optical properties of the Holstein-t-J model from dynamical mean-field theory
E. Cappelluti, S. Ciuchi, S. Fratini
We employ dynamical mean-field theory to study the optical conductivity of one hole in the Holstein-t-J model. We provide an exact solution for in the limit of infini…
Electron-phonon effects on spin-orbit split bands of two dimensional systems
E. Cappelluti, C. Grimaldi, F. Marsiglio
The electronic self-energy is studied for a two dimensional electron gas coupled to a spin-orbit Rashba field and interacting with dispersionless phonons. For the case of a momentu…
Optical and spectral properties of quantum domain-walls in the generalized Wigner lattice
S. Fratini, G. Rastelli
We study the spectral properties of a system of electrons interacting through long-range Coulomb potential on a one-dimensional chain. When the interactions dominate over the elect…