Marco Bruni
GGI Florence, October 2006
Flat
model, UDM with Affine EoS
§Simplest model: k=0, P=Po+ar;
2 parameters, like LCDM with k
§Reach dynamics: 4 cases,
2 standard and 2 phantom, independently of field eqs. (gravity theory).
§Falsifiable, tight
constraints
§Admits scalar field
version