Cluster Dynamical Mean Field Approach to Strongly Correlated Materials k haule


Download 508 b.
Sana14.08.2018
Hajmi508 b.


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









Conclusions




Do'stlaringiz bilan baham:


Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©fayllar.org 2017
ma'muriyatiga murojaat qiling