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SUMMARY:Dynamical mean-field theory and its applications in correlated tra
 nsition-metal oxides. - Dr. Liang Si\, Northwest University and TU Wien
DTSTART:20240212T143000Z
DTEND:20240212T150000Z
UID:TALK212128@talks.cam.ac.uk
CONTACT:Dr Sun-Woo Kim
DESCRIPTION:Strongly electronic correlation effects stem from the Coulomb 
 interactions between electrons\, and the localization of d- and/or f-orbit
 als in transition-metal and rare-earth elements. These effects are general
 ly considered as the driving force behind various novel quantum states in 
 correlated oxide systems\, such as Mott-insulator transition and unconvent
 ional superconductivity. Density-functional theory (DFT)\, relying on a si
 ngle-particle approximation\, faces limitations in capturing dynamic corre
 lation effects. Dynamical mean-field theory (DMFT) has emerged as an effec
 tive approach to describe dynamic correlation effects in solids\, addressi
 ng the deficiencies of standard DFT method. In this presentation\, I will 
 provide a brief overview of the principles and computational workflow of D
 FT+DMFT method. Additionally\, I will introduce several applications of DM
 FT in the study of strongly correlated oxides\, including (i) nickelate su
 perconductors and (ii) transition-metal oxide transparent conductors\, dem
 onstrating the efficacy of DMFT in understanding dynamic correlation effec
 ts in materials.\n
LOCATION:Zoom link: https://zoom.us/j/92447982065?pwd=RkhaYkM5VTZPZ3pYSHpt
 UXlRSkppQT09
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