15 citations · 44 across the 5 of their papers we have counts for
5 papers
The Unruh effect under the de Broglie-Bohm perspective
Matheus M. A. Paixão, Olesya Galkina, Nelson Pinto-Neto
We investigate the Minkowski ground state associated with a real massless scalar field as seen by an accelerated observer under the perspective of the de Broglie-Bohm quantum theor…
Quantum and classical cosmology in the Brans-Dicke theory
Carla R. Almeida, O. Galkina, J. C. Fabris
In this paper we discuss classical and quantum aspects of cosmological models in Brans-Dicke theory. First, we review cosmological bounce solution in Brans-Dicke theory that obeys…
Future soft singularities, Born-Infeld-like fields and particles
Olesya Galkina, Alexander Yu. Kamenshchik
We consider different scenarios of the evolution of the universe, where the singularities or some non-analyticities in the geometry of the spacetime are present, trying to answer t…
Regular Bouncing Solutions, Energy Conditions and the Brans-Dicke Theory
O. Galkina, J. C. Fabris, F. T. Falciano +1
In general, to avoid a singularity in cosmological models involves the introduction of exotic kind of matter fields, for example, a scalar field with negative energy density. In or…
Stiff Matter Solution in Brans-Dicke Theory and The General Relativity Limit
G. Brando, J. C. Fabris, F. T. Falciano +1
Generally the Brans-Dicke theory reduces to General Relativity in the limit if the scalar field goes as . However, it is also known that there are…