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Showing 2023 · math-phShow all
3 papers · 2 filters
math-ph2023★ 2 cited
Modified Green-Hyperbolic Operators
Christopher J. Fewster
Green-hyperbolic operators - partial differential operators on globally hyperbolic spacetimes that (together with their formal duals) possess advanced and retarded Green operators…
math-ph2023★ 7 cited
A Lorentzian renormalisation group equation for gauge theories
Edoardo D'Angelo, Kasia Rejzner
In a recent paper, with Drago and Pinamonti we have introduced a Wetterich-type flow equation for scalar fields on Lorentzian manifolds, using the algebraic approach to perturbativ…
math-ph2023★ 5 cited
Quantum energy inequalities in integrable models with several particle species and bound states
Henning Bostelmann, Daniela Cadamuro, Jan Mandrysch
We investigate lower bounds to the time-smeared energy density, so-called quantum energy inequalities (QEI), in the class of integrable models of quantum field theory. Our main res…