Dark Energy and the mass of galaxy clusters

Details Dark Energy and the mass of galaxy clusters Dark Energy and the mass of galaxy clusters

2007-03-26

arxiv.org/abs/astro-ph/0703645v2

Phys.Rev.D75:083003,2007

Astronomy and Astrophysics

Astrophysics

5 pages, no figures, references added

Scientific paper

10.1103/PhysRevD.75.083003

Up to now, Dark Energy evidences are based on the dynamics of the universe on very large scales, above 1 Gpc. Assuming it continues to behave like a cosmological constant $\Lambda$ on much smaller scales, I discuss its effects on the motion of non-relativistic test-particles in a weak gravitational field and I propose a way to detect evidences of $\Lambda \neq 0$ at the scale of about 1 Mpc: the main ingredient is the measurement of galaxy cluster masses.

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