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High Energy Physics - Theory

arXiv:hep-th/0012227 (hep-th)
[Submitted on 22 Dec 2000 (v1), last revised 26 Feb 2002 (this version, v3)]

Title:The scaling evolution of cosmological constant

Authors:Ilya L. Shapiro, Joan Sola
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Abstract: In quantum field theory the parameters of the vacuum action are subject to renormalization group running. In particular, the ``cosmological constant'' is not a constant in a quantum field theory context, still less should be zero. In this paper we continue with previous work, and derive the particle contributions to the running of the cosmological and gravitational constants in the framework of the Standard Model in curved space-time. At higher energies the calculation is performed in a sharp cut off approximation. We assess, in two different frameworks, whether the scaling dependences of the cosmological and gravitational constants spoil primordial nucleosynthesis. Finally, the cosmological implications of the running of the cosmological constant are discussed.
Comments: 25 pages, 1 figure using axodraw. Extended version. The title and the part of the discussion concerning a gravitational energy scale modified. The new section about the role of the cosmological constant in the anomaly-induced inflation added. Misprint in one reference corrected
Subjects: High Energy Physics - Theory (hep-th); Astrophysics (astro-ph); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)
Report number: UAB-FT-490
Cite as: arXiv:hep-th/0012227
  (or arXiv:hep-th/0012227v3 for this version)
  https://doi.org/10.48550/arXiv.hep-th/0012227
Journal reference: JHEP 0202:006,2002
Related DOI: https://doi.org/10.1088/1126-6708/2002/02/006

Submission history

From: Ilya Shapiro [view email]
[v1] Fri, 22 Dec 2000 14:52:16 UTC (70 KB)
[v2] Fri, 8 Feb 2002 15:29:40 UTC (41 KB)
[v3] Tue, 26 Feb 2002 14:05:17 UTC (41 KB)
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