Physics
Scientific paper
Apr 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999phrvd..59h8501b&link_type=abstract
Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 59, Issue 8, 15 April 1999, id. 088501
Physics
11
Spacetime Topology, Causal Structure, Spinor Structure, Gravity In More Than Four Dimensions, Kaluza-Klein Theory, Unified Field Theories, Alternative Theories Of Gravity, Quantum Field Theory In Curved Spacetime
Scientific paper
In the Brans-Dicke (BD) theory, wormhole existence is determined in the Jordan representation. The Einstein representation correctly describes the geodesic motion of a test black hole that responds to the tensor mass mT of a bounded gravitational system. The central body's active mass m as calculated in the Jordan frame determines the change in time of the area of a bundle of light rays and the motion of a test particle in Keplerian orbit. In the Jordan representation, strong-field BD wormhole solutions can exist and the energy density and the radial and lateral tensions are negative at the wormhole throat. However, the Einstein representation minimally coupled scalar field energy condition eliminates wormhole solutions within the BD weak-field approximation, C=-1/(ω+2).
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