TY - JOUR
T1 - Dark energy and the generalized second law
AU - Izquierdo, Germán
AU - Pavón, Diego
PY - 2006/2/16
Y1 - 2006/2/16
N2 - We explore the thermodynamics of dark energy taking into account the existence of the observer's event horizon in accelerated universes. Except for the initial stage of Chaplygin gas dominated expansion, the generalized second law of gravitational thermodynamics is fulfilled and the temperature of the phantom fluid results positive. This substantially extends the work of Pollock and Singh [M.D. Pollock, T.P. Singh, Class. Quantum Grav. 6 (1989) 901] on the thermodynamics of super-inflationary expansion. © 2005 Elsevier B.V. All rights reserved.
AB - We explore the thermodynamics of dark energy taking into account the existence of the observer's event horizon in accelerated universes. Except for the initial stage of Chaplygin gas dominated expansion, the generalized second law of gravitational thermodynamics is fulfilled and the temperature of the phantom fluid results positive. This substantially extends the work of Pollock and Singh [M.D. Pollock, T.P. Singh, Class. Quantum Grav. 6 (1989) 901] on the thermodynamics of super-inflationary expansion. © 2005 Elsevier B.V. All rights reserved.
U2 - 10.1016/j.physletb.2005.12.040
DO - 10.1016/j.physletb.2005.12.040
M3 - Article
SN - 0370-2693
VL - 633
SP - 420
EP - 426
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
IS - 4-5
ER -