Why do we live in 3+1 dimensions?

被引：43
|
作者：
Durrer, R
Kunz, M
Sakellariadou, M
机构：
[1] Univ Geneva, Dept Theoret Phys, CH-1211 Geneva, Switzerland
[2] Univ Athens, Div Astrophys Astron & Mech, Dept Phys, GR-15784 Athens, Greece
来源：
PHYSICS LETTERS B | 2005年 / 614卷 / 3-4期
关键词：
strings and branes; D-branes; strings and brane phenomenology;
D O I：
10.1016/j.physletb.2005.04.023
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In the context of string theory we argue that higher-dimensional Dp-branes unwind and evaporate so that we are left with D3-branes embedded in a (9 + 1)-dimensional bulk. One of these D3-branes plays the role of our Universe. Within this picture, the evaporation of the higher-dimensional Dp-branes provides the entropy of our Universe. (c) 2005 Elsevier B.V. All rights reserved.
引用
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页码：125 / 130
页数：6
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