Non-Topological Solitions in Non-Minimally Coupled Scalar Fields: Theory and Consequences

Details Non-Topological Solitions in Non-Minimally Coupled Scalar Fields: Theory and Consequences Non-Topological Solitions in Non-Minimally Coupled Scalar Fields: Theory and Consequences

Oct 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.232....1l&link_type=abstract

Astrophysics and Space Science, Volume 232, Issue 1, pp.1-22

Astronomy and Astrophysics

Astrophysics

Scientific paper

In theories of gravitation in which dimensional parameters are dynamically induced, one can have non-topological-soliton solutions. This article reviews related topics connected with such solutions. The existence of such solutions in curved spacetime can give rise to halos of gravity (g-) balls with the “gravitational constant” having different values inside and outside the ball. Such g-balls can have quite an interesting bearing on the dark matter problem over galactic and cluster scales. We describe the origin of such solutions and speculate on related problems in Cosmology. Such objects would naturally occur in a large class of induced gravity models in which we have scalar fields non minimally coupled to the scalar curvature.

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