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The variation of fundamental constants and the role of A=5 and A=8 nuclei on primordial nucleosynthesis
Alain Coc, Pierre Descouvemont, Keith Olive +2
We investigate the effect of a variation of fundamental constants on primordial element production in big bang nucleosynthesis (BBN). We focus on the effect of a possible change in…
Late time anisotropy as an imprint of cosmological backreaction
Giovanni Marozzi, Jean-Philippe Uzan
Backreaction effects of the large scale structure on the background dynamics have been claimed to lead to a renormalization of the background dynamics that may account for the late…
Weak lensing B-modes on all scales as a probe of local isotropy
Cyril Pitrou, Jean-Philippe Uzan, Thiago S. Pereira
This article derives a multipolar hierarchy for the propagation of the weak-lensing shear and convergence in a general spacetime. The origin of B-modes, in particular on large angu…