COOKIES: By using this website you agree that we can place Google Analytics Cookies on your device for performance monitoring. |
University of Cambridge > Talks.cam > Lennard-Jones Centre > Dynamical Mean-Field Theory for Correlated Materials
Dynamical Mean-Field Theory for Correlated MaterialsAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact Dr Sun-Woo Kim. Strong electron–electron correlations can give rise to surprising co-operative phenomena; paradigmatic examples are high-temperature superconductivity, Mott insulating or heavy fermion behavior, orbital ordering. Explaining such many-body effects in materials is one of the grand challenges in condensed-matter physics, since they typically elude the simple static mean-field description. A major advance was the development of the dynamical mean-field theory (DMFT) and its combination with ab-initio techniques based on density-functional theory (DFT), leading to the DFT +DMFT method and its extensions [1,2]. In this talk I will shortly review the DFT +DMFT approach and its success. I will then present results for a paradigmatic group of systems, Sr2RuO4 and its family (Sr2XO4), unravelling the puzzling interplay of crystal-field effects, van-hove singularities, spin orbit interaction and Coulomb repulsion in these materials [3,4]. All calculations presented are based on our massively-parallel implementation of the DFT +DMFT method and use Quantum Monte Carlo (QMC) to solve the DMFT impurity problem [1,2]. [1] E. Pavarini, Solving the strong-correlation problem in materials, Rivista del Nuovo Cimento, Springer-Nature (2021) [2] Dynamical Mean-Field Theory for Materials, in Eva Pavarini and Erik Koch (eds.), Simulating Correlations on Computers, Modeling and Simulation, Vol. 11, Verlag des Forschungszentrum Jülich, 2021, ISBN 978 -3-95806-529-1 https://www.cond-mat.de/events/correl21/manuscripts/pavarini.pdf [3] N. Samani, G. Zhang and E. Pavarini, Phys. Rev. Lett. 132, 236505 (2024) [4] G. Zhang and E. Pavarini, Phys. Rev. Lett. 131, 036504 (2023) This talk is part of the Lennard-Jones Centre series. This talk is included in these lists:
Note that ex-directory lists are not shown. |
Other listsLCHES Seminars on Human Evolution Program verification reading group. Cancer Research UK Cambridge Institute (CRUK CI) Seminars in CancerOther talksSixty Eears after Fogel’s Social Savings: Measuring the Growth Impact of Railways in the Periphery Efficient coding of a complex goal-directed behaviour in mouse medial frontal cortex A V HILL LECTURE Pain: Why does it exist, how does it work and how can we more effectively treat it? Where do pathogens live? Mapping the microbial hiding spots of pathogenic Streptococcus suis in pigs and farms Whiteside’s Edition of the Mathematical Papers of Isaac Newton: Achievements and Open Issues Optimizing the diffusion for sampling with overdamped Langevin dynamics |