Artículos de revistas
Quantum cosmology for inflationary scenary
Autor
SOCORRO , J.
OBREGÓN , O.
Institución
Resumen
SE ESTUDIAN SOLUCIONES COSMOLÓGICAS CUÁNTICAS Y SUPERCUÁNTICAS EXACTAS PARA UN UNIVERSO PLANO TIPO FRIEDMAN-ROBERTSON-WALKER (FRW) EN PRESENCIA DE UN POTENCIAL EXPONENCIAL DE INFLACIÓN CON UN TÉRMINO CINÉTICO PARA EL CAMPO ESCALAR. SE PRESENTAN SOLUCIONES EXACTAS A LA ECUACIÓN DE WHEELER-DEWITT (WDW) Y SU CORRESPONDIENTE RAÍZ CUADRADA. EN AMBOS CASOS, LAS SOLUCIONES, COMO ES CONOCIDO DE LOS MODELOS BIANCHI, SON DE LA FORMA EI, DONDE ES LA FUNCIÓN DE HAMILTON-JACOBI. PARA UN VALOR PARTICULAR DEL PARÁMETRO DE ORDENAMIENTO DE FACTORES EN LA ECUACIÓN DE WHEELER-DEWITT, SE MUESTRA UN ”PAQUETE DE ONDAS” EN EL CUAL PARA GRANDES VALORES DE X (CON EL RADIO DE EXPANSIÓN DEL UNIVERSO DEFINIDO A » EX), EL CAMPO ESCALAR ”COMPITE” CON X EN LA MODULACIÓN DEL COMPORTAMIENTO DEL ”PAQUETE DE ONDAS”.AbstractWE STUDY QUANTUM AND SUPER QUANTUM COSMOLOGY FOR A FRIEDMAN-ROBERTSON WALKER (FRW) FLAT UNIVERSE IN THE PRESENCE OF AN INFLATION EXPONENTIAL POTENTIAL WITH THE CORRESPONDING KINETIC TERM FOR THE SCALAR FIELD. WE EXHIBIT EXACT SOLUTIONS FOR THE CORRESPONDING WHEELER- DEWITT (WDW) EQUATION AND ITS SQUARE ROOT. IN BOTH CASES, SOLUTIONS, AS IS KNOWN FOR THE BIANCHI MODELS, OF THE FORM EI EXIST, WHERE IS THE HAMILTON-JACOBI FUNCTION. FOR A PARTICULAR FACTOR ORDERING OF THE STANDARD WHEELER-DEWITT EQUATION WE SHOW A ”WAVE PACKET” IN WHICH FOR LARGE X (WITH THE RADIUS OF EXPANSION OF THE UNIVERSE A » EX), THE SCALAR FIELD AND X ”COMPETE” MODULATING THE BEHAVIOUR OF THE ”WAVE PACKET”. WE STUDY QUANTUM AND SUPER QUANTUM COSMOLOGY FOR A FRIEDMAN-ROBERTSON WALKER (FRW) FLAT UNIVERSE IN THE PRESENCE OF AN INFLATION EXPONENTIAL POTENTIAL WITH THE CORRESPONDING KINETIC TERM FOR THE SCALAR FIELD. WE EXHIBIT EXACT SOLUTIONS FOR THE CORRESPONDING WHEELER- DEWITT (WDW) EQUATION AND ITS SQUARE ROOT. IN BOTH CASES, SOLUTIONS, AS IS KNOWN FOR THE BIANCHI MODELS, OF THE FORM EI EXIST, WHERE IS THE HAMILTON-JACOBI FUNCTION. FOR A PARTICULAR FACTOR ORDERING OF THE STANDARD WHEELER-DEWITT EQUATION WE SHOW A ""WAVE PACKET"" IN WHICH FOR LARGE X (WITH THE RADIUS OF EXPANSION OF THE UNIVERSE A » EX), THE SCALAR FIELD AND X ""COMPETE"" MODULATING THE BEHAVIOUR OF THE ""WAVE PACKET"".