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4 papers · 2 filters
A new framework for analyzing the effects of small scale inhomogeneities in cosmology
Stephen R. Green, Robert M. Wald
We develop a new, mathematically precise framework for treating the effects of nonlinear phenomena occurring on small scales in general relativity. Our approach is an adaptation of…
Dependence of Self-force on Central Object
Theodore D. Drivas, Samuel E. Gralla
For a particle in orbit about a static spherically symmetric body, we study the change in self-force that results when the central body type (i.e., the choice of interior metric fo…
Bobbing and Kicks in Electromagnetism and Gravity
Samuel E. Gralla, Abraham I. Harte, Robert M. Wald
We study systems analogous to binary black holes with spin in order to gain some insight into the origin and nature of "bobbing" motion and "kicks" that occur in this system. Our b…
Motion of Small Bodies in Classical Field Theory
Samuel E. Gralla
I show how prior work with R. Wald on geodesic motion in general relativity can be generalized to classical field theories of a metric and other tensor fields on four-dimensional s…