CQW is an educational resource for theoretical physics and astrophysics, field theory, relativity and cosmology. we post a new question every wednesday for students to get and for teachers to stay in shape.
Friday, January 13, 2012
what do the cosmological constant and dark energy have in common? why
are they different? why is it wrong to say that Lambda is just DE with
$w=-1$? could there be a cosmology with Lambda and DE at the same time?