Negative energy and stability in scalar-tensor gravity
classification
🌀 gr-qc
keywords
energynegativescalar-tensoranalysisbackgroundbrans-dickecarryclassical
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Linearized gravitational waves in Brans-Dicke and scalar-tensor theories carry negative energy. A gauge-invariant analysis shows that the background Minkowski space is stable at the classical level with respect to linear scalar and tensor inhomogeneous perturbations.
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