(1)Tasks Today 24.09 Peierls Transitions & Charge Ordering Tomorrow 25.09 Tasks: Peierls Transitions & Charge Ordering Check exercise sheet – prepare questions for Daniel. Monday 01.10 Tasks: Kramer-Kronig Transforms Read: Kittel, Chapter: Optical Processes and Excitons Two Smaller Notes – One the website Hand-in exercise sheet Tuesday 02.10 Tasks: Excitons Read: Kittel, Chapter: Optical Processes and Excitons (2)Bechgaard Salts beta-co-(BEDT-TTF)2I3 CRYSTAL STRUCTURE (3)J. Phys.: Condens. Matter 25 (2013) 343201 Bechgaard Salts RESISTIVITY (4)J. Phys.: Condens. Matter 25 (2013) 343201 Bechgaard Salts (5)Proposal: literature presentation Topic: Charge order in the high-temperature superconductor YBa2Cu3O7-x Science 337, 821–825 (2012) Nature Physics 8, 871-876 (2012) Science 350, 949–952 (2015) Nature Communications 7, 11494 (2016) Presentation date: 02.10.12