Geometrical measurements in three-dimensional quantum gravity

被引：29

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

页码：97 / 113

页数：17

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