Beyond lensing by the cosmological constant

Valerio Faraoni and Marianne Lapierre-Léonard
Phys. Rev. D 95, 023509 – Published 17 January 2017

Abstract

The long-standing problem of whether the cosmological constant affects directly the deflection of light caused by a gravitational lens is reconsidered. We use a new approach based on the Hawking quasilocal mass of a sphere grazed by light rays and on its splitting into local and cosmological parts. Previous literature restricted to the cosmological constant is extended to any form of dark energy accelerating the universe in which the gravitational lens is embedded.

  • Received 17 August 2016

DOI:https://doi.org/10.1103/PhysRevD.95.023509

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Gravitation, Cosmology & Astrophysics

Authors & Affiliations

Valerio Faraoni1,* and Marianne Lapierre-Léonard2,†

  • 1Physics Department and STAR Research Cluster, Bishop’s University, 2600 College Street, Sherbrooke, Québec J1M 1Z7, Canada
  • 2Physics Department, Bishop’s University, 2600 College Street, Sherbrooke, Québec J1M 1Z7, Canada

  • *vfaraoni@ubishops.ca
  • mlapierre12@ubishops.ca

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Issue

Vol. 95, Iss. 2 — 15 January 2017

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