2k citations · 10.5k across the 73 of their papers we have counts for
Showing 2000 · astro-phShow all
2 papers · 2 filters
astro-ph2000★ 1.9k cited
Essentials of k-essence
C. Armendariz-Picon, V. Mukhanov, Paul J. Steinhardt
We recently introduced the concept of "k-essence" as a dynamical solution for explaining naturally why the universe has entered an epoch of accelerated expansion at a late stage of…
astro-ph2000★ 2k cited
A Dynamical Solution to the Problem of a Small Cosmological Constant and Late-time Cosmic Acceleration
C. Armendariz-Picon, V. Mukhanov, Paul J. Steinhardt
Increasing evidence suggests that most of the energy density of the universe consists of a dark energy component with negative pressure, a ``cosmological constant" that causes the…