COSMOLOGICAL BARYON-NUMBER DOMAIN-STRUCTURE FROM SYMMETRY BREAKING IN GRAND UNIFIED FIELD-THEORIES

被引：80

作者：

BROWN, RW ^{[1
]}

STECKER, FW ^{[1
]}

机构：

[1] NASA,GODDARD SPACE FLIGHT CTR,HIGH ENERGY ASTROPHYS LAB,GREENBELT,MD 20771

来源：

PHYSICAL REVIEW LETTERS | 1979年 / 43卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.43.315

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We suggest that grand unified field theories with spontaneous symmetry breaking in the very early big bang can lead more naturally to a baryon-symmetric cosmology with a domain structure than to a totally baryon-asymmetric cosmology. The symmetry is broken in a randomized manner in causally independent domains, favoring neither a baryon nor an antibaryon excess on a universal scale. Arguments in favor of this cosmology and observational tests are discussed. © 1979 The American Physical Society.

引用

页码：315 / 318

页数：4

共 35 条

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