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The Modification of Feynman Diagrams in Curved Space-Time

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arxiv 2411.15164 v1 pith:A7QE5OVE submitted 2024-11-12 physics.gen-ph gr-qchep-th

classification physics.gen-phgr-qchep-th
keywords gravitationalfieldsparticlesdiagramsfeynmaninteractionpropagatorsquantum
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

This paper explores the behavior of quantum particles in weak gravitational fields. We examine scalar and spinor particles, showing that these quantum particles in weak gravitational fields follow geodesic trajectories, aligning with classical expectations. Further, we explore the impact of gravitational fields on Yukawa interaction $\lambda \bar{\Psi} \Phi \Psi$, revealing that Feynman diagrams are modified due to the curvature, affecting propagators and interaction dynamics. The presence of spatially-dependent factors in propagators underscores the localized nature of gravitational effects on particle interactions.

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  1. Remarks on "The Modification of Feynman Diagrams in Curved Space-Time"

    physics.gen-ph 2025-01 unverdicted novelty 2.0 of 10

    A review-style commentary flags the massless-particle limit of a curved-space Feynman diagram modifier and proposes, without derivation, an effective-mass dispersion and a weak-to-strong transition marker.

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