2018 (source code)
= 2018
{scope}
{title2=A15088W1}
Source paper: https://www.whatdotheyknow.com/request/oxford_physics_past_papers_2/response/2340696/attach/6/Physics%20Papers%202017.pdf?cookie_passthrough=1
The scanned cover establishes Hilary Term 2018, despite the containing bundle's 2017 filename. Use $\hbar=c=1$, the <Minkowski metric> signature $(+,-,\ldots,-)$ outside question 2, which uses <Euclidean space>, and $p\cdot x=E_{\mathbf p}t-\mathbf p\cdot\mathbf x$. The phase and normalization conflicts in question 4 are identified in <4/a>; its <path integral> is evaluated with the normalization of its displayed <action>.
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