SIGNS AND COSMOLOGY

ARUNDHATI DASGUPTA, ADAMANTIA ZAMPELI
2012 International Journal of Modern Physics D  
Using a new effective action predicted from quantum gravity where the sign of the Euclidean Einstein action is reversed we discuss WKB solutions in quantum cosmology and predict that this sign change might explain the origin of phantom scalars.
doi:10.1142/s0218271812420084 fatcat:5g5s56dvlnhkff7g4l6myln624