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CATEGORIES:Lennard-Jones Centre
SUMMARY:Dynamical mean-field theory and its applications i
 n correlated transition-metal oxides. - Dr. Liang 
 Si\, Northwest University and TU Wien
DTSTART;TZID=Europe/London:20240212T143000
DTEND;TZID=Europe/London:20240212T150000
UID:TALK212128AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/212128
DESCRIPTION:Strongly electronic correlation effects stem from 
 the Coulomb interactions between electrons\, and t
 he localization of d- and/or f-orbitals in transit
 ion-metal and rare-earth elements. These effects a
 re generally considered as the driving force behin
 d various novel quantum states in correlated oxide
  systems\, such as Mott-insulator transition and u
 nconventional superconductivity. Density-functiona
 l theory (DFT)\, relying on a single-particle appr
 oximation\, faces limitations in capturing dynamic
  correlation effects. Dynamical mean-field theory 
 (DMFT) has emerged as an effective approach to des
 cribe dynamic correlation effects in solids\, addr
 essing the deficiencies of standard DFT method. In
  this presentation\, I will provide a brief overvi
 ew of the principles and computational workflow of
  DFT+DMFT method. Additionally\, I will introduce 
 several applications of DMFT in the study of stron
 gly correlated oxides\, including (i) nickelate su
 perconductors and (ii) transition-metal oxide tran
 sparent conductors\, demonstrating the efficacy of
  DMFT in understanding dynamic correlation effects
  in materials.\n
LOCATION:Zoom link: https://zoom.us/j/92447982065?pwd=RkhaY
 kM5VTZPZ3pYSHptUXlRSkppQT09
CONTACT:Dr Sun-Woo Kim
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