THE GENERAL SEMICLASSICAL SOLUTION OF THE WHEELER-DEWITT EQUATIONS AND THE ISSUE OF UNITARITY IN QUANTUM COSMOLOGY

被引：25
|
作者：
BARVINSKY, AO
机构：
[1] Department of Mathematics, Moscow State Pedagogical Institute, Krasnoprudnaya 14
来源：
PHYSICS LETTERS B | 1990年 / 241卷 / 02期
关键词：
D O I：
10.1016/0370-2693(90)91278-J
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The general semiclassical solution of the Wheeler-DeWitt equations is obtained. It is shown to coincide with the path integral over true physical variables, computed in the one-loop approximation. By direct computation the recently proposed probability measure is demonstrated to conserve the total probability. Thus unitarity in quantum cosmology is argued to be an exact concept which can be extended to higher orders of a semiclassical expansion. © 1990.
引用
收藏
页码：201 / 206
页数：6
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