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Title:
``Tilting'' the universe with the landscape multiverse: the dark flow
Authors:
Mersini-Houghton, L.; Holman, R.
Affiliation:
AA(Department of Physics and Astronomy, UNC, Chapel Hill, NC 27599-3255, U.S.A. ), AB(Department of Physics, Carnegie Mellon University, Pittsburgh, PA 15213, U.S.A.)
Publication:
Journal of Cosmology and Astroparticle Physics, Issue 02, pp. 006 (2009).
Publication Date:
02/2009
Origin:
IOP
DOI:
10.1088/1475-7516/2009/02/006
Bibliographic Code:
2009JCAP...02..006M

Abstract

We argue that the recent observations of large scale bulk flows by Kashlinsky et al. has a natural explanation in terms of superhorizon inhomogeneities induced by nonlocal entanglement of our Hubble volume with modes and domains beyond the horizon. This entanglement gives rise to corrections to the Newtonian potential on a characteristic scale L1 simeq 103H‑1, and it induces a dipole and quadrupole contribution in the CMB. We also show that these induced multipoles are aligned with each other, with the alignment axis normal to their plane being oriented along the preferred frame determined by the dipole. We also give other potential tests of our hypothesis.
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