Author

J. Wilson-Gerow

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Preprint Sep 2026

Dynamical Friction in an Ultralight Scalar Medium across Coherent and Stochastic Regimes

We study the conservative and dissipative forces on a Newtonian binary interacting with a nonrelativistic ultralight scalar medium. We derive integral expressions for the instantaneous force and the orbit-averaged energy flux generated by wake perturbations of a general background field. For a homogeneous coherent back...

Soumodeep Mitra, J. Wilson-Gerow · 0 citations

Preprint Aug 2026

A Unified Treatment of the Self-Force Problem

This paper introduces formalism, based on worldline effective field theory, which allows one to systematically calculate the gravitational self-force on a compact object immersed in an environment with non-vanishing stress energy. Using the closed time path integral we present a universal effective action that can be u...

B. Modrekiladze, Ira Z. Rothstein, J. Wilson-Gerow · 3 citations · ⚡1

Preprint Sep 2026

Renormalized Dynamical Friction in Black-Hole Spacetimes

We derive the renormalized local equation of motion for the gravitational self-force on a compact object moving through matter in a black-hole spacetime. We integrate out the environment and metric perturbations on a Schwinger--Keldysh contour, obtaining a causal effective action given by a sum of curved-spacetime Feyn...

J. Wilson-Gerow · 0 citations