On the Effect of the Cosmological Expansion on the Gravitational Lensing by a Point Mass

We analyse the effect of the cosmological expansion on the deflection of light caused by a point mass, adopting the McVittie metric as the geometrical description of a point-like lens embedded in an expanding universe. In the case of a generic, non-constant Hubble parameter, H, we derive and approxi...

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Bibliografski detalji
Glavni autor: Oliver F. Piattella
Format: Članak
Jezik:English
Izdano: MDPI AG 2016-10-01
Serija:Universe
Teme:
Online pristup:http://www.mdpi.com/2218-1997/2/4/25

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