Finite distance effects on the Hellings–Downs curve in modified gravity

Abstract There is growing interest in the overlap reduction function in pulsar timing array observations as a probe of modified gravity. However, current approximations to the Hellings–Downs curve for subluminal gravitational wave propagation, say $$v<1$$ v < 1 , diverge at small angular pulsa...

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Bibliographic Details
Main Authors: Guillem Domènech, Apostolos Tsabodimos
Format: Article
Language:English
Published: SpringerOpen 2024-10-01
Series:European Physical Journal C: Particles and Fields
Online Access:https://doi.org/10.1140/epjc/s10052-024-13418-w
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