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4 papers · 2 filters
Self-forces from generalized Killing fields
Abraham I. Harte
A non-perturbative formalism is developed that simplifies the understanding of self-forces and self-torques acting on extended scalar charges in curved spacetimes. Laws of motion a…
Indeterminacy of Holographic Quantum Geometry
Craig J. Hogan
An effective theory based on wave optics is used to describe indeterminacy of position in holographic spacetime with a UV cutoff at the Planck scale. Wavefunctions describing space…
Quantum field theory in curved spacetime, the operator product expansion, and dark energy
S. Hollands, R. M. Wald
To make sense of quantum field theory in an arbitrary (globally hyperbolic) curved spacetime, the theory must be formulated in a local and covariant manner in terms of locally meas…
Approximate spacetime symmetries and conservation laws
Abraham I Harte
A notion of geometric symmetry is introduced that generalizes the classical concepts of Killing fields and other affine collineations. There is a sense in which flows under these n…