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5 papers · 1 filter
Optical-conductivity sum rule in cuprates and unconventional charge density waves: a short review
L. Benfatto, S. Sharapov
We begin with an overview of the experimental results for the temperature and doping dependences of the optical-conductivity spectral weight in cuprate superconductors across the w…
Optical sum in Nearly Antiferromagnetic Fermi Liquid Model
E. Schachinger, J. P. Carbotte
We calculate the optical sum (OS) and the kinetic energy (KE) for a tight binding band in the Nearly Antiferromagnetic Fermi Liquid (NAFFL) model which has had some success in desc…
On the Relation between Optical Conductivity and Quasiparticle Dynamics: Boson Structures
J. P. Carbotte, E. Schachinger, J. Hwang
An extended Drude form is often used to analyze optical data in terms of an optical scattering rate and renormalized mass corresponding, respectively, to the real and imaginary par…
Antiferromagnetism and charged vortices in high-Tc superconductors
Daniel Knapp, Catherine Kallin, Amit Ghosal +1
The effect of the long-range Coulomb interaction on charge accumulation in antiferromagnetic vortices in high-Tc superconductors is studied within a Bogoliubov-de Gennes mean-field…
Optical conductivity in non-equilibrium d-wave superconductors
J. P. Carbotte, E. Schachinger
We consider the optical conductivity of a d-wave BCS superconductor in the presence of a non-equilibrium distribution of excess quasiparticles. Two different simplified models used…