A new synthesis of matter and gravity: A nongravitating scalar field
arXiv:1302.3341 · doi:10.1103/PhysRevD.88.064038
Abstract
We present a new manifestation of the nonlinearity of the gravity-matter interactions. We show explicitly that there exists a nongravitating dynamical scalar-field solution in Eddington-inspired Born-Infeld gravity. This kind of solution has not been found in previous literatures based on general relativity, or other modified-gravity theories. The nongravitating solution obtained in this work is unstable to perturbations.
6pages, 2 figures,title changed, add comments on general gravity theories
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- Noether Identities and Gauge-Fixing the Action for Cosmological Perturbations
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- Born-Infeld cosmology with scalar Born-Infeld matter
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