Surface Integrals and the Gravitational Action
Oct, 198218 pages
Published in:
- J.Phys.A 16 (1983) 1661
Report number:
- Print-82-0726 (QUEEN MARY COLL)
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Abstract: (IOP)
The authors discuss the modifications needed to free the Einstein-Hilbert action of gravitation from all second derivatives of fields, and give explicitly the resulting action applicable to either metric or vierbein variables. Variation of this action leads to Einstein's equations without boundary conditions. It vanishes for flat space-time and contains one arbitrary real parameter.- GRAVITATION
- FIELD THEORY: SPACE-TIME
- Einstein equation
- MATHEMATICAL METHODS: VARIATIONAL
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