Geometrical measurements in three-dimensional quantum gravity

被引：30
|
作者：
Barrett, JW [1 ]
机构：
[1] Univ Nottingham, Sch Math Sci, Nottingham NG7 2RD, England
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2003年 / 18卷
关键词：
D O I：
10.1142/S0217751X03017981
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
A set of observables is described for the topological quantum field theory which describes quantum gravity in three space-time dimensions with positive signature and positive cosmological constant. The simplest examples measure the distances between points, giving spectra and probabilities which have a geometrical interpretation. The observables are related to the evaluation of relativistic spin networks by a Fourier transform.
引用
收藏
页码：97 / 113
页数：17
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