On the vacuum fluctuations and the cosmological constant: Comment on the paper by T.Padmanabhan

Details On the vacuum fluctuations and the cosmological constant: Comment on the paper by T.Padmanabhan On the vacuum fluctuations and the cosmological constant: Comment on the paper by T.Padmanabhan

2005-10-15

arxiv.org/abs/astro-ph/0510459v3

Astronomy and Astrophysics

Astrophysics

missing factor 2 added; refs added

Scientific paper

The formula for the dark energy, derived by Padmanabhan in a recent Letter to Editor (Class.Quantum Grav. September 2005, the formula given in its Abstract), was actually derived 4 years earlier ourselves in astro-ph/0105245; Mod.Phys.Lett. A18, 561, 2003. Among dozens of references in that Letter, no quotation to our paper. Based on the same Zeldovich idea on vacuum fluctuations, Padmanabhan derives it from scaling considerations, while we had gone into more details and shown that the formula fits the observed value of the cosmological constant if l=0 modes are relevant.

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