Quintessence duality

Abstract

We join quintessence cosmological scenarios with the duality simmetry existing in string dilaton cosmologies. Actually, we consider the tracker potential type $V=V_0/{\varphi }^{\alpha }$ and show that duality is only established if $\alpha =-2$.

6 LaTex Pages, submitted to Physics Letters A; completely revised version: majior changes in the last part

Cited by in corpus (1)

• Phantom scalar field cosmologies constrained by early cosmic measurements