We quantize the closed Friedmann model in 2 + 1 spacetime dimensions using euclidean path-integral approach and a simple microsuperspace model. A relationship between integration measure and operator ordering in the Wheeler-DeWitt equation is found within our model. Solutions to the Wheeler-DeWitt equation are exactly reproduced from the path integral using suitable integration contours in the complex plane.
机构:
Inst Astron & Fis Espacio, RA-1428 Buenos Aires, DF, Argentina
Univ Buenos Aires, Dept Fis, Fac Ciencias Exactas & Nat, RA-1428 Buenos Aires, DF, ArgentinaInst Astron & Fis Espacio, RA-1428 Buenos Aires, DF, Argentina
Eiroa, Ernesto F.
Simeone, Claudio
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机构:
Univ Buenos Aires, Dept Fis, Fac Ciencias Exactas & Nat, RA-1428 Buenos Aires, DF, Argentina
Consejo Nacl Invest Cient & Tecn, IFIBA, RA-1428 Buenos Aires, DF, ArgentinaInst Astron & Fis Espacio, RA-1428 Buenos Aires, DF, Argentina
机构:
Univ Bernardo OHiggins, Fac Ingn Ciencia & Tecnol, Santiago, Chile
Univ Vina del Mar, Escuela Ingn & Negocios, Vina Del Mar, ChileUniv Bernardo OHiggins, Fac Ingn Ciencia & Tecnol, Santiago, Chile