Journal
PHYSICAL REVIEW D
Volume 76, Issue 8, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.76.083518
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Bekenstein's alternative to general relativity, TeVeS, reduces to modified Newtonian dynamics in the galactic limit. On cosmological scales, the (potential well< - >overdensity) relationship is quite different than in standard general relativity. Here we investigate the possibility of cross-correlating galaxies with the cosmic microwave background (CMB) to probe this relationship. At redshifts of order 2, the sign of the CMB-galaxy correlation differs in TeVeS from that in general relativity. We show that this effect is detectable and hence can serve as a powerful discriminator of these two models of gravity.
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