1.3k citations · 1.5k across the 4 of their papers we have counts for
4 papers
Cosmological constraints on a dark matter -- dark energy interaction
Mark B. Hoffman
It is generally assumed that the two dark components of the energy density of the universe, a smooth component called dark energy and a fluid of nonrelativistic weakly interacting…
Can the dark energy equation-of-state parameter w be less than -1?
Sean M. Carroll, Mark Hoffman, Mark Trodden
Models of dark energy are conveniently characterized by the equation-of-state parameter w=p/ρ, where ρis the energy density and p is the pressure. Imposing the Dominant Energy Cond…
Classical Stabilization of Homogeneous Extra Dimensions
Sean M. Carroll, James Geddes, Mark B. Hoffman +1
If spacetime possesses extra dimensions of size and curvature radii much larger than the Planck or string scales, the dynamics of these extra dimensions should be governed by class…
Kinematic Constraints to the Key Inflationary Observables
Mark B. Hoffman, Michael S. Turner
The observables and are key to testing and understanding inflation. (, , and respectively quantify the gravity-wave and density-perturbation contributions t…