期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS D
卷 22, 期 12, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218271813420017
关键词
Cosmological constant; inflation; holographic equipartition
资金
- DST, India
- CSIR, India
The current acceleration of the universe can be modeled in terms of a cosmological constant Lambda. We show that the extremely small value of Lambda L-P(2) approximate to 3.4 x 10(-122), the holy grail of theoretical physics, can be understood in terms of a new, dimensionless, conserved number Cosmic Mode Index (CosMIn), which counts the number of modes crossing the Hubble radius during the three phases of evolution of the universe. Theoretical considerations suggest that N approximate to 4 pi. This single postulate leads us to the correct, observed numerical value of the cosmological constant! This approach also provides a unified picture of cosmic evolution relating the early inflationary phase to the late accelerating phase.
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