Baryogenesis in cosmological model with superstring-inspired E6 unification

被引：10

作者：

Das, C. R. ^{[3
]}

Laperashvili, L. V. ^{[4
]}

Nielsen, H. B. ^{[5
]}

Tureanu, A. ^{[1
,2
]}

机构：

[1] Univ Helsinki, Dept Phys, FIN-00014 Helsinki, Finland

[2] Helsinki Inst Phys, FIN-00014 Helsinki, Finland

[3] Univ Tecn Lisboa, Ctr Theoret Particle Phys, P-1049001 Lisbon, Portugal

[4] Inst Theoret & Expt Phys, Moscow 117218, Russia

[5] Niels Bohr Inst, DK-2100 Copenhagen, Denmark

来源：

PHYSICS LETTERS B | 2011年 / 696卷 / 1-2期

基金：

芬兰科学院;

关键词：

Unification; Baryogenesis; Inflation; Dark energy; Dark matter; Cosmological constant; HETEROTIC STRING THEORY; MIRROR WORLD; DARK-MATTER; SHADOW UNIVERSE; CANCELLATIONS; PARITY; ENERGY;

D O I：

10.1016/j.physletb.2010.11.071

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have developed a concept of parallel existence of the ordinary (O) and hidden (H) worlds with a superstring-inspired E-6 unification, broken at the early stage of the Universe into SO(10) x U(1) - in the O-world, and SU(6)' x SU(2)' - in the H-world. As a result, we have obtained in the hidden world the low energy symmetry group G(SM)' x SU(2)(theta)', instead of the Standard Model group G(SM). The additional non-Abelian SU(2)(theta)', group with massless gauge fields, "thetons", is responsible for the dark energy. We present a baryogenesis mechanism with the B - L asymmetry produced by the conversion of ordinary leptons into particles of the hidden sector. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：138 / 144

页数：7

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