Non-Vanishing Cosmological Constant $Λ$, Phase Transitions, And $Λ$-Dependence Of High Energy Processes

Details Non-Vanishing Cosmological Constant $Λ$, Phase Transitions, And $Λ$-Dependence Of High Energy Processes Non-Vanishing Cosmological Constant $Λ$, Phase Transitions, And $Λ$-Dependence Of High Energy Processes

2002-03-16

arxiv.org/abs/hep-th/0203150v2

Phys.Lett. B538 (2002) 239-245

Physics

High Energy Physics

High Energy Physics - Theory

11 pages; UCTP101.02; last section revised; the version to appear in Physics Letters B

Scientific paper

It is pointed out that a collider experiment involves a local contribution to the energy-momentum tensor, a circumstance which not a common feature of the current state of the Universe at large characterized by the cosmological constant $\Lambda_0$. This contribution may be viewed as a change in the structure of space-time from its large scale form governed by $\Lambda_0$ to one governed by a $\Lambda$ peculiar to the scale of the experiment. Possible consequences of this effect are explored by exploiting the asymptotic symmetry of space-time for non-vanishing $\Lambda$ and its relation to vacuum energy.

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