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gr-qc2024
Packaging particles in curved spacetimes
Jesse Huhtala, Iiro Vilja
Scattering calculations in curved spacetime are technically complicated and, in the case of a general spacetime metric, quite impossible. Even in the cases where perturbative scatt…
hep-th2024
Practical Derivations of Fermion and Gauge Boson Reduction Formulae in Curved Spacetimes
Jesse Huhtala, Iiro Vilja
LSZ-type reduction formulae are derived for gauge fields and fermions in curved spacetime. The formulae are derived using a conserved current method applicable also to flat spaceti…