Göttingen 2012 – wissenschaftliches Programm
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GR: Fachverband Gravitation und Relativitätstheorie
GR 3: Kosmologie II
GR 3.3: Vortrag
Montag, 27. Februar 2012, 17:20–17:40, ZHG 002
Dynamical cancellation of an arbitrary cosmological constant by vector fields — •Viacheslav Emelyanov — KIT, ITP, Karlsruhe, Germany
The cosmological constant problem (CCP) has two aspects. Firstly, the theoretical estimates of the cosmological constant (CC) and observational data are significantly different. Secondly, one needs to explain its small, but nonzero value. The first CCP motivates us to find a dynamical adjustment mechanism that will compensate the vacuum energy and bring it down to cosmologically acceptable levels. In this talk I would like to present a particular vector model realizing this approach.