Josephson junctions and dark energy

Details Josephson junctions and dark energy Josephson junctions and dark energy

2006-04-25

arxiv.org/abs/astro-ph/0604522v1

Phys.Lett. B639 (2006) 57-58

Astronomy and Astrophysics

Astrophysics

4 pages

Scientific paper

10.1016/j.physletb.2006.06.020

In a recent paper Beck and Mackey [astro-ph/0603397] argue that the argument we gave in our paper [Phys. Lett. B 606, 77 (2005)] to disprove their claim that dark energy can be discovered in the Lab through noise measurements of Josephson junctions is incorrect. In particular, they emphasize that the measured noise spectrum in Josephson junctions is a consequence of the fluctuation dissipation theorem, while our argument was based on equilibrium statistical mechanics. In this note we show that the fluctuation dissipation relation does not depend upon any shift of vacuum (zero-point) energies, and therefore, as already concluded in our previous paper, dark energy has nothing to do with the proposed measurements.

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