Scalar graviton and the modified black holes

Details Scalar graviton and the modified black holes Scalar graviton and the modified black holes

2007-03-14

arxiv.org/abs/gr-qc/0703077v3

Phys.Atom.Nucl.71:289-293,2008; Phys.Atom.Nucl.71:1651,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, typos corrected

Scientific paper

10.1007/s11450-008-2009-4 10.113

Under the explicit violation of the general covariance to the unimodular one, the effect of the emerging scalar graviton on the static spherically symmetric metrics is studied. The main results are three-fold. First, there appears the two-parametric family of such metrics, instead of the one-parametric black-hole family in General Relativity (GR). Second, there may exist the one-parametric subfamily describing a pure gravitational object, the ``graviball'', missing in GR. Third, in a simplifying assumption, all the metrics possess the correct Newton's limit as in GR.

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