Expected constraints on the generalized Chaplygin equation of state from future supernova experiments and gravitational lensing statistics

Abstract

This paper aims to study the use of future SNAP data together with the result of searches for strong gravitational lenses in future large quasar surveys to constrain the Generalized Chaplygin Gas (GCG) model. The GCG is considered as a possible unification scheme for dark matter-dark energy. It is found that both experiments should be able to place important constraints on the model, especially when both tests are used together.

Submitted to the Astrophysical Journal, 33 pages, 8 Figures, uses aastex.cls. Changed for publication. Sections where the GCG is used as a dark energy candidate have been eliminated, plus minor changes

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