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gr-qc2018
Spacetime Singularities in Generalized Brans-Dicke Theories
G. Brando, F. T. Falciano, L. F. Guimaraes
We study the formation of classical singularities in Generalized Brans-Dicke theories that are natural extensions to Brans-Dicke where the kinetic term is modified by a new couplin…
gr-qc2018
Fermion Production in Bouncing Cosmologies
A. Scardua, L. F. Guimarães, N. Pinto-Neto +1
We address the issue of fermionic particle creation in cosmological bouncing models governed by General Relativity, but where the bounce itself takes place due to quantum effects.…