期刊
PHYSICS LETTERS B
卷 696, 期 1-2, 页码 138-144出版社
ELSEVIER
DOI: 10.1016/j.physletb.2010.11.071
关键词
Unification; Baryogenesis; Inflation; Dark energy; Dark matter; Cosmological constant
资金
- Academy of Finland [121720, 127626]
- RFBR [09-02-08215-3]
- Fundacao para a Ciencia e Tecnologia [SFRH/BPD/41091/2007]
- Fundação para a Ciência e a Tecnologia [SFRH/BPD/41091/2007] Funding Source: FCT
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.
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