Relativity and Cosmology


Deceleration Parameter Q(Z) in Five Dimensions, and Can a Partial re Appearance of Quinessence φ(t) Play a Role in an Increase in re Acceleration at Z ~. 423?

Authors: Andrew Beckwith

The case for a four dimensional graviton mass (non zero) influencing reacceleration of the universe in five dimensions is stated, with particular emphasis upon if five dimensional geometries as given below give us new physical insight as to cosmological evolution. One noticeable datum, that a calculated inflaton φ(t) re-emerged after fading out in the aftermath of inflation. The inflaton is a contributing factor to, with non zero graviton mass, in re acceleration of the universe a billion years ago. The inflaton also may be the source of re acceleration of the universe, especially if the effects of a re emergent inflaton are in tandem with the appearance of macro effects of a small graviton mass, leading to a speed up of the rate of expansion of the universe one billion years ago, at red shit value of Z ~ .423

Comments: 4 pages, 1 figure. extended abstract of 3-4 pages for possibly being placed in C. Corda's section namely , "Second Big Challenge Symposium - The Big Challenge of Cosmological Understanding: Gravitation, Dark Matter and Dark Energy. Towards New Scenarios" during the 8th International Conference of Numerical Analysis and Applied Mathematics, at Hotel Rodos Palace, Rhodes, Greece, 19-25 September 2010.

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[v1] 20 Apr 2010

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