Examinando por Autor "HOBBY EDUARDO SEGUNDO COSSIO CARRASCO"
Mostrando 1 - 2 de 2
Resultados por página
Opciones de ordenación
- PublicaciónEMERGENT UNIVERSE BY TUNNELING IN A JORDAN-BRANS-DICKE THEORY(EUROPEAN PHYSICAL JOURNAL C, 2019)
;HOBBY EDUARDO SEGUNDO COSSIO CARRASCOPEDRO ALBERTO LABRAÑA MORAGAIN THIS WORK WE STUDY AN ALTERNATIVE SCHEME FOR AN EMERGENT UNIVERSE SCENARIO IN THE CONTEXT OF A JORDAN-BRANS-DICKE THEORY, WHERE THE UNIVERSE IS INITIALLY IN A TRULY STATIC STATE SUPPORTED BY A SCALAR FIELD LOCATED IN A FALSE VACUUM. THE MODEL PRESENTS A CLASSICALLY STABLE PAST ETERNAL STATIC STATE WHICH IS BROKEN WHEN, BY QUANTUM TUNNELING, THE SCALAR FIELD DECAYS INTO A STATE OF TRUE VACUUM AND THE UNIVERSE BEGINS TO EVOLVE FOLLOWING THE EXTENDED OPEN INFLATIONARY SCHEME. - PublicaciónTUNNELING AND THE EMERGENT UNIVERSES SCHEME IN A JBD THEORY(JOURNALS OF PHYSICS CONFERENCE, 2018)
;HOBBY EDUARDO SEGUNDO COSSIO CARRASCOPEDRO ALBERTO LABRAÑA MORAGAIN THIS WORK IT IS PROPOSED AN ALTERNATIVE SCHEME FOR AN EMERGENT UNIVERSE SCENARIO IN THE CONTEXT OF A JORDAN-BRANS-DICKE THEORY, WHERE THE UNIVERSE IS INITIALLY IN A STATIC STATE SUPPORTED BY A SCALAR FIELD LOCATED IN A FALSE VACUUM. THE UNIVERSE BEGINS TO EVOLVE WHEN, BY QUANTUM TUNNELING, THE SCALAR FIELD DECAYS INTO A STATE OF TRUE VACUUM. IN PARTICULAR, IN THIS WORK WE STUDY THE STABILITY OF THE STATIC UNIVERSE, UNDER THE AFOREMENTIONED CHARACTERISTICS, AND THE PROBABILITY OF CREATING A TRUE VACUUM BUBBLE. IT IS SHOWN THAT IN THIS MODEL, UNLIKE WHAT HAPPENS IN PREVIOUS WORKS, THE STATIC UNIVERSE IS STABLE UNDER SMALL CLASSICAL PERTURBATIONS.