A string-modified four-dimensional gravity theory

Details A string-modified four-dimensional gravity theory A string-modified four-dimensional gravity theory

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989gregr..21..155g&link_type=abstract

General Relativity and Gravitation, Volume 21, Issue 2, pp.155-169

Astronomy and Astrophysics

Astrophysics

5

Scientific paper

The route from string theory to a ten-dimensional supergravity/super-Yang-Mills field theory is briefly illumined. The process of extracting a classical four-dimensional gravity theory from the ten-dimensional theory is discussed and a simple model containing gravity, electromagnetism, a dilaton field, and a Kalb-Ramond field is proposed. The equations of motion of a test particle in a background of gravity, dilation, and Kalb-Ramond fields are displayed. Some static spherically symmetric vacuum solutions are derived, and some astrophysical implications are discussed.

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