The holographic Ricci dark energy and its possible doomsdays

Abstract

It is well known that the holographic Ricci dark energy can induce some future doomsdays in the evolution of the universe. Here we analyse the possible avoidance of those doomsdays by invoking a modification to general relativity on the form of curvature effects.

Comments: 4 pages, 1 figure. Contribution to the Spanish Relativity Meeting in Portugal 2012 (ERE2012), Guimaraes, Portugal