SCOAP3 Repository 9 records found  Search took 0.02 seconds. 
1. Inflationary expansion of the universe with variable timescale / Musmarra, Juan Ignacio ; Anabitarte, Mariano ; Bellini, Mauricio
We explore a cosmological model in which the time scale is variable with the expansion of the universe and the effective spacetime is driven by the inflaton field. [...]
Published in EPJC 79 (2019) 5 10.1140/epjc/s10052-018-6526-1
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2. Pre-inflation: Origin of the Universe from a topological phase transition / Bellini, Mauricio
I study a model which describes the birth of the universe using a global topological phase transition with a complex manifold where the time, τ , is considered as a complex variable. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.05.049
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3. Geometric back-reaction in pre-inflation from relativistic quantum geometry / Arcodía, Marcos R. A. ; Bellini, Mauricio
The pre-inflationary evolution of the universe describes the beginning of the expansion from a static initial state, such that the Hubble parameter is initially zero, but increases to an asymptotic constant value, in which it could achieve a de Sitter (inflationary) expansion. [...]
Published in EPJC 76 (2016) 326 10.1140/epjc/s10052-016-4173-y
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4. Towards relativistic quantum geometry / Ridao, Luis Santiago ; Bellini, Mauricio
We obtain a gauge-invariant relativistic quantum geometry by using a Weylian-like manifold with a geometric scalar field which provides a gauge-invariant relativistic quantum theory in which the algebra of the Weylian-like field depends on observers. [...]
Published in Physics letters B (2015) 10.1016/j.physletb.2015.11.032
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5. WIMT in Gullstränd–Painlevé and Reissner–Nordström metrics: induced stable gravito-magnetic monopoles / Romero, Jesús Martín ; Bellini, Mauricio
The aim of this work is to apply Weitzeböck Induced Matter Theory (WIMT) to Gullstränd–Painlevé and Reissner–Nordström metrics in the framework of WIMT. [...]
Published in EPJC 75 (2015) 201 10.1140/epjc/s10052-015-3413-x
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6. Present accelerated expansion of the universe from new Weyl-integrable gravity approach / Aguila, Ricardo ; Madriz Aguilar, José Edgar ; Moreno, Claudia ; Bellini, Mauricio
We investigate if a recently introduced formulation of general relativity on a Weyl-integrable geometry contains cosmological solutions exhibiting acceleration in the present cosmic expansion. [...]
Published in EPJC 74 (2014) 3158 10.1140/epjc/s10052-014-3158-y
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7. Gravito-magnetic currents in the inflationary universe from WIMT / Romero, Jesús Martín ; Bellini, Mauricio
Using the Weitzenböck representation of a Riemann-flat 5D spacetime, we study the possible existence of primordial gravito-magnetic currents from Gravito-electromagnetic Inflation (GEMI). [...]
Published in EPJC 74 (2014) 3043 10.1140/epjc/s10052-014-3043-8
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8. New Developments in Cosmology and Gravitation from Extended Theories of General Relativity / Bellini, Mauricio ; Adhav, Kishor ; Madriz Aguilar, José Edgar ; Reddy, Dandala R. K.
Published in Advances in High Energy Physics 2014 (2014) 563125 10.1155/2014/563125
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9. The primordial explosion of a false white hole from a 5D vacuum / Madriz Aguilar, José Edgar ; Moreno, Claudia ; Bellini, Mauricio
We explore the cosmological consequences of some possible big bang produced by a black-hole with mass M in a 5D extended SdS. [...]
Published in Physics letters B 728 (2014) 244-249 10.1016/j.physletb.2013.12.005
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