A Very Good Resource on Dark Energy

[T_Mart]

Dark Energy - a Pedagogic Review
http://arxiv.org/abs/astro-ph/0409166

 

[T_Mart]

http://www.annualreviews.org/doi/pdf/10.1146/annurev.astro.46.060407.145243

Dark Energy and the Accelerating Universe

 

[mathman]

The arXiv document is free. Annual Review asks for payment.

 

[George Jones]

The arXiv document is free. Annual Review asks for payment.

It's also on the arXiv,

http://arxiv.org/abs/0803.0982.

 

[RUTA]

Lots of good stuff here:

http://supernova.lbl.gov/

 

[MoreThanOne]

Dark Energy
By Miao Li, Xiao-Dong Li, Shuang Wang, Yi Wang

http://arxiv.org/abs/1103.5870

A Very Comprehensive Review on Dark Energy.