Cluster Dynamical Mean Field Approach to Strongly Correlated Materials k haule

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Cluster Dynamical Mean Field Approach to Strongly Correlated Materials

  • K Haule

  • Rutgers University

References and Collaborators

    • Strongly Correlated Superconductivity: a plaquette Dynamical mean field theory study, K. H. and G. Kotliar, Phys. Rev. B 76, 104509 (2007).
    • Nodal/Antinodal Dichotomy and the Energy-Gaps of a doped Mott Insulator, M. Civelli, M. Capone, A. Georges, K. H., O. Parcollet, T. D. Stanescu, G. Kotliar, Phys. Rev. Lett. 100, 046402 (2008).
    • Modelling the Localized to Itinerant Electronic Transition in the Heavy Fermion System CeIrIn5, J.H. Shim, K. Haule and G. Kotliar, Science 318, 1615 (2007),
    • Quantum Monte Carlo Impurity Solver for Cluster DMFT and Electronic Structure Calculations in Adjustable Base, K. H., Phys. Rev. B 75, 155113 (2007).
    • Optical conductivity and kinetic energy of the superconducting state: a cluster dynamical mean field study, K. H., and G. Kotliar, Europhys Lett. 77, 27007 (2007).
    • Doping dependence of the redistribution of optical spectral weight in Bi2Sr2CaCu2O8+delta, F. Carbone, A. B. Kuzmenko, H. J. A. Molegraaf, E. van Heumen, V. Lukovac, F. Marsiglio, D. van der Marel, K. H., G. Kotliar, H. Berger, S. Courjault, P. H. Kes, and M. Li, Phys. Rev. B 74, 064510 (2006).
    • Avoided Quantum Criticality near Optimally Doped High Temperature Superconductors, K.H. and G. Kotliar, Phys. Rev. B 76, 092503 (2007).

Mott phenomena at half filling

Later verified by Yang & Pines

High Tc: Need non-local self-energy

Cluster DMFT approaches

(i) with CTQMC

Momentum space differentiation

SC Tunneling DOS

Gap changes, mode does not

Eliashberg theory

Fermi surface

Evolution of Nodal and Antinodal energy scales with doping

Antinodal gap – two gaps

Optical conductivity

Optical spectral weight & Optical mass

Temperature/doping dependence of the optical spectral weight


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