The 'naked' singularity in the scalar-tensor gravitation theory

Details The 'naked' singularity in the scalar-tensor gravitation theory The 'naked' singularity in the scalar-tensor gravitation theory

Aug 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978ap%26ss..57..371b&link_type=abstract

Astrophysics and Space Science, vol. 57, no. 2, Aug. 1978, p. 371-380.

Astronomy and Astrophysics

Astronomy

3

Black Holes (Astronomy), Gravitation Theory, Scalers, Singularity (Mathematics), Tensors, Nonrelativistic Mechanics, Relativistic Theory

Scientific paper

A complete analysis of possible types of nonrelativistic and ultrarelativistic motions in the field of the 'naked' singularity of scalar-tensor gravitational theory (STGT) is given. The problem of the infall of a monochromatic radiation emitter on the 'naked' singularity is studied. In spite of the absence of a 'freezing' effect in the STGT, the 'naked' singularity is not observable, for the brightness of the falling emitter decreases much faster than in general relativity. At distances greater than or approximately equal to the gravitational radius the trajectories of particles and light are quite similar to those of general relativity, and due to this fact the 'naked' singularity is observationally indistinguishable from a black hole.

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