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PP-wave solutions of the Weyl-Yang theory of gravity with a five-dimensional Kaluza-Klein ansatz

Kuyrukcu H.

Article | 2013 | Classical and Quantum Gravity30 ( 15 )

A Yang-Mills-type quadratic gravity model is considered in the framework of a five-dimensional Kaluza-Klein theory. Field equations and stress-energy tensors are presented in differential forms. A five-dimensional classical Kaluza-Klein metric ansatz is investigated, which consists of a four-dimensional plane-fronted gravitational wave with parallel rays as its sub-metric along with a non-trivial dilaton and gauge fields. It is found that the solution is equivalent to plane-gravitational waves in terms of a spin-0 dilaton and a spin-1 photon. Some special cases are discussed, and it is shown that only the plane-electromagnetic waves . . . with helicity-1 states carried non-zero energy-momentum. © 2013 IOP Publishing Ltd Daha fazlası Daha az

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