A Problem With delta-functions: Stress-Energy Constraints on Bulk-Brane Matching (with comments on arXiv:1508.01124)
arXiv:1509.04201 · doi:10.1007/JHEP01(2016)017
Abstract
We critically assess a recent assertion (arXiv:1508.01124) concerning using delta-functions to analyze how higher-codimension branes back-react on their environment. We also briefly summarize the state of the art: describing how stress-energy balance dictates the components of off-brane stress energy in terms brane tension; how this can modify the standard tension/defect-angle relation for codimension-two sources when dilatons are present; and how it all relates to extra-dimensional searches for a small cosmological constant.
8 pages + appendix
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- Point-Particle Effective Field Theory III: Relativistic Fermions and the Dirac Equation
- Fine-tuning with Brane-Localized Flux in 6D Supergravity
- Light Axiodilatons: Matter Couplings, Weak-Scale Completions and Long-Distance Tests of Gravity
- SLED Phenomenology: Curvature vs. Volume
- Spontaneous branes formation