The cosmological constant problem and Kaluza-Klein theory

被引：22
|
作者：
Wesson, PS [1 ]
Liu, HY
机构：
[1] Univ Waterloo, Dept Phys, Waterloo, ON N2L 3G1, Canada
[2] Calif Inst Phys & Astrophys, Palo Alto, CA 94306 USA
[3] Dalian Univ Technol, Dept Phys, Dalian 116024, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2001年 / 10卷 / 06期
基金：
加拿大自然科学与工程研究理事会; 中国国家自然科学基金;
关键词：
cosmological constant problem; Kaluza-Klein theory; superstrings; supergravity;
D O I：
10.1142/S0218271801001396
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present technical results which extend previous work and show that the cosmological constant of general relativity is an artefact of the reduction to 4D of 5D Kaluza-Klein theory (or 10D superstrings and 11D supergravity). We argue that the distinction between matter and vacuum is artificial in the context of ND field theory. The concept of a cosmological "constant" (which measures the energy density of the vacuum in 4D) should be replaced by that of a series of variable fields whose sum is determined by a solution of ND field equations in a well-defined manner.
引用
收藏
页码：905 / 912
页数：8
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