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SUMMARY:Electronic structure calculations for correlated materials - where
  do we stand?
DTSTART:20150420T131500
DTEND:20150420T141500
DTSTAMP:20260407T195400Z
UID:b0fe4d94959013bbeffa63e7869e614f7282483057085f4e81e716fb
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Silke Biermann\, Ecole Polytechnique Centre de Physique 
 Théorique (CPHT) Paris\nThe field of electronic structure calculations fo
 r materials\nwith strong electronic Coulomb correlations has witnessed\ntr
 emendous progress in recent years due to the development\nof combined elec
 tronic structure and many body theory.\nWe will give an introduction to th
 e field\, illustrated\nby examples of rare earth compounds [1]\, transitio
 n metal\noxides [2]\, and adatom systems on surfaces [3].\nOn these exampl
 es we will discuss the different flavors\nthat the consequences of electro
 nic Coulomb correlations\ncan take\, and connect them to current developme
 nts and\nopen challenges. In particular\, we will outline recent\nconsider
 ations on a double counting-free interfacing of\nab initio techniques and 
 many-body theory [4]. These\nideas also suggest a new view on the Kohn-Sha
 m band\nstructure of density functional theory for weakly\ncorrelated syst
 ems [5].\n[1] J.M. Tomczak\, et al.\, Proc. Nat. Ac. Sci. USA 110 (2013) 9
 04.\n[2] J.M. Tomczak\, et al.\, PRB 90 165138 (2014)\n[3] P. Hansmann\, e
 t al.\, Phys. Rev. Lett. 110 (2013) 166401.\n[4] A. van Roekeghem et al.\,
  PRL 113 266403 (2014)\n[5] A. van Roekeghem and S. Biermann\, Europhysics
 \nLetters 108\, 57003 (2014)
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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