Strings in gravity with torsion

Details Strings in gravity with torsion Strings in gravity with torsion

1999-04-14

arxiv.org/abs/gr-qc/9904033v1

Gen.Rel.Grav. 32 (2000) 2007-2019

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

16 pages

Scientific paper

A theory of gravitation in 4D is presented with strings used in the material action in $U_4$ spacetime. It is shown that the string naturally gives rise to torsion. It is also shown that the equation of motion a string follows from the Bianchi identity, gives the identical result as the Noether conservation laws, and follows a geodesic only in the lowest order approximation. In addition, the conservation laws show that strings naturally have spin, which arises not from their motion but from their one dimensional structure.

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