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LambdaCDM epoch reconstruction from F(R,G) and modified Gauss-Bonnet gravities
Gauss-Bonnet gravities LambdaCDM epoch F(R,G)
2010/3/18
Dark energy cosmology is considered in a modified Gauss-Bonnet model of gravity with and without a scalar field. It is shown that these generalizations of General Relativity endow it with a very rich ...
Gravities and metallicities of stars with protoplanetary disks
stars Gravities metallicities protoplanetary disks
2009/7/1
Gravities and metallicities of stars with protoplanetary disks。
On Current-Carrying Cosmic Strings and the Generalized Rainich Algebra in Scalar-Tensor Gravities
Current-Carrying Cosmic Strings the Generalized Rainich Algebra Scalar-Tensor Gravities
2010/10/15
We obtain exact solutions for a static and charged cosmic string in a Einstein-Maxwell-Dilaton theory of a scalar-tensor type in (3+1)-Dimensions. This theory is specified by the dilaton field f, the ...