 2022

Source: www.whatdotheyknow.com/request/oxford_physics_past_papers_2/response/2340696/attach/10/Physics%20Papers%202021.pdf?cookie_passthrough=1

Source bundle pages 48–54; the cover identifies Trinity Term 2022 despite the attachment filename. Solutions use $\hslash =c=1$ except where $\hslash$ is displayed. In Questions 4–6 the Minkowski metric is $\eta =\mathrm{diag}(1,-1,-1,-1)$, and spatial surface terms vanish or cancel under periodic boundary conditions.