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Wheeler-DeWitt Quantization of Gravity Models of Unified Dark Energy and Dark Matter
Eduardo Guendelman, Emil Nissimov, Svetlana Pacheva
First, we describe the construction of a new type of gravity-matter models based on the formalism of non-Riemannian space-time volume forms - alternative generally covariant integr…
A transition between bouncing hyper-inflation to ΛCDM from diffusive scalar fields
David Benisty, Eduardo I. Guendelman
We consider the history of the universe from a possible big bang or a bounce into a late period of a unified interacting dark energy - dark matter model. The model is based on the…
Quintessence in Multi-Measure Generalized Gravity Stabilized by Gauss-Bonnet/Inflaton Coupling
Eduardo Guendelman, Emil Nissimov, Svetlana Pacheva
We consider a non-standard generalized model of gravity coupled to a neutral scalar "inflaton" as well as to the fields of the electroweak bosonic sector. The essential new ingredi…
Superstrings with the Galileon Measure
T. O. Vulfs, E. I. Guendelman
The modified measure theories recommend themselves as a good possibility to go beyond the standard formulation to solve yet unsolved problems. The Galileon measure that is construc…
Finding Schwarzschild metric component grr and FLRW's k without solving the Einstein's equation, rather by a synergistic matching between geometric results enfranchised by Newtonian gravity
Eduardo I. Guendelman, Avi Rabinowitz, Arka P. Banik
As is well known, some aspects of General Relativity and Cosmology can be reproduced without even using Einstein's equation. As an illustration, the 0 - 0 component of the Schwarzs…
Galileon string measure and other modified measure extended objects
T. O. Vulfs, E. I. Guendelman
We show that it is possible to formulate string theory as a "Galileon string theory". The galileon field enters in the definition of the integration measure in the action. Foll…
Interacting Diffusive Unified Dark Energy and Dark Matter from Scalar Fields
David Benisty, E. I. Guendelman
Here we generalize ideas of unified Dark Matter Dark Energy in the context of Two Measure Theories and of Dynamical space time Theories. In Two Measure Theories one uses metric ind…