On Zero-Point Fluctuations, the Cosmological Constant, and the Graviton Mass

Details On Zero-Point Fluctuations, the Cosmological Constant, and the Graviton Mass On Zero-Point Fluctuations, the Cosmological Constant, and the Graviton Mass

Aug 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999apj...520..454s&link_type=abstract

The Astrophysical Journal, Volume 520, Issue 2, pp. 454-455.

Astronomy and Astrophysics

Astronomy

2

Cosmology: Theory, Relativity

Scientific paper

Recently attempts have been made to link vacuum zero-point fields (ZPF), with a nonzero cosmological constant (Lambda), which is now treated as a cosmological free variable to be determined by observations. In another recent paper, Lambda is related to a graviton mass. This is shown to be incorrect. Flat space propagators for both massless and massive spin-2 particles can be written (independently of gravity) in the context of flat space wave equations. However, they do not correspond to full general relativity with a graviton mass.

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