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math.AP2020★ 3 cited
On microlocalisation and the construction of Feynman Propagators for normally hyperbolic operators
Onirban Islam, Alexander Strohmaier
This article gives global microlocalisation constructions for normally hyperbolic operators on a vector bundle over a globally hyperbolic spacetime in geometric terms. As an applic…
math-ph2020
Relative entanglement entropy of thermal states of Klein-Gordon and Dirac quantum field theories
Onirban Islam
An upper bound of the relative entanglement entropy of thermal states at an inverse temperature of linear, massive Klein-Gordon and Dirac quantum field theories across two regi…