Spontaneous Lorentz Violation and the Long-Range Gravitational Preferred-Frame Effect

Preprint

28 January 2005

preprint
Published by arXiv in arXiv

Abstract

Lorentz-violating operators involving Standard Model fields are tightly constrained by experimental data. The bounds are much weaker, however, on Lorentz violation appearing in purely gravitational couplings. The spontaneous breaking of Lorentz invariance by the vacuum expectation value of a vector field selects a universal rest frame. This affects the propagation of the graviton, leading to a modification of Newton's law of gravity. We compute the size of the long-range preferred-frame effect and bound the coefficients of the two-derivative operators in the low-energy effective theory that involves only the graviton and the Goldstone bosons.

Keywords

PREFERRED FRAME EFFECT
LORENTZ VIOLATING
STANDARD MODEL
GRAVITATIONAL
LONG RANGE
GRAVITY

All Related Versions

Version 1, 2005-01-28, ArXiv
Version 2, 2005-02-07, ArXiv
Version 3, 2005-02-11, ArXiv
Version 4, 2005-03-23, ArXiv
Published version: Physics Letters B, 613 (1-2), 5.

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