TY - JOUR
T1 - The cosmological constant and the fate of the cosmon in Weyl conformal gravity
AU - Solà, J.
PY - 1989/9/21
Y1 - 1989/9/21
N2 - We discuss a generalization of the cosmon model by turning its global dilatation invariance into a local conformal invariance. In a Weyl realization of this symmetry, the "would-be" cosmon field is eaten up by a conformal gauge boson which acquires a large mass. The new model is used to relax the cosmological constant to zero by means of a probabilistic mechanism first suggested by Hawking in the framework of euclidean quantum gravity. © 1989.
AB - We discuss a generalization of the cosmon model by turning its global dilatation invariance into a local conformal invariance. In a Weyl realization of this symmetry, the "would-be" cosmon field is eaten up by a conformal gauge boson which acquires a large mass. The new model is used to relax the cosmological constant to zero by means of a probabilistic mechanism first suggested by Hawking in the framework of euclidean quantum gravity. © 1989.
U2 - 10.1016/0370-2693(89)91552-9
DO - 10.1016/0370-2693(89)91552-9
M3 - Article
VL - 228
SP - 317
EP - 324
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
SN - 0370-2693
IS - 3
ER -