Brans-Dicke theory with the cosmological constant from M₄ x Z₂ geometry
classification
✦ hep-th
keywords
geometrytheorybrans-dickecosmologicalconstanteinsteinactionapplied
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The theory on M_4 x Z_2 geometry is applied to the Einstein gravity to yield the Brans-Dicke theory on M_4 geometry. The geometrical meaning and the relation between the curvatures and the torsions are clarified. The cosmological constant is also introduced into the pure Einstein action on M_4 x Z_2 in order to determine the explicit form of the cosmological term in the Brans-Dicke theory on M_4 geometry.
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