Week 9: Collective modes and random phase approximation
Sections 12.1, 12.2 and 12.4 (Chapter: The interacting electron gas) in Bruus & Flensberg.
Updated 15.3.2023: added Monday's solutions and videos.
Updated 18.3.2023: added Wednesday's and Thursday's solutions and videos.
Mattuck, A guide to Feynman diagrams in many-body problem, pages 94-100.