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Do we care about the distance to the CMB? Clarifying the impact of second-order lensing

It has recently been shown that second-order corrections to the background distance-redshift relation can build up significantly at large redshifts, due to an aggregation of gravitational lensing events. This shifts the expectation value of the distance to the CMB by 1%. In this paper we show that t...

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Detalles Bibliográficos
Autores principales: Bonvin, Camille, Clarkson, Chris, Durrer, Ruth, Maartens, Roy, Umeh, Obinna
Lenguaje:eng
Publicado: 2015
Materias:
Acceso en línea:https://dx.doi.org/10.1088/1475-7516/2015/06/050
http://cds.cern.ch/record/2004544