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Equivalence principle violation in nonminimally coupled gravity and constraints from Lunar Laser Ranging
Riccardo March, Orfeu Bertolami, Marco Muccino +1
We analyze the dynamics of the Sun-Earth-Moon system in the context of a particular class of theories of gravity where curvature and matter are nonminimally coupled (NMC). These th…
Could the Well of an Orbital Lift be used to Dump Greenhouse Gases into Space?
O. Bertolami
Anthropogenic greenhouse gases have been changing significantly the climate and causing dire effects on the dynamics of the Earth System. We examine the conditions under which the…
Seeding the vacuum with entropy: the Chaplygin-like vacuum hypothesis
Orfeu Bertolami
It is proposed that the vacuum admits two different phases as described by the Chaplygin equation of state or its generalised version: a phase where the energy density behaves as i…
Distorted stability pattern and chaotic features for quantized prey-predator-like dynamics
Alex E. Bernardini, Orfeu Bertolami
Non-equilibrium and instability features of prey-predator-like systems associated to topological quantum domains emerging from a quantum phase-space description are investigated in…
Theories of gravity with nonminimal matter-curvature coupling and the de Sitter swampland conjectures
Orfeu Bertolami, Cláudio Gomes, Paulo M. Sá
We discuss, in the context of alternative theories of gravity with nonminimal coupling between matter and curvature, if inflationary solutions driven by a single scalar field can b…