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dc.creator Perlick Volker
dc.date 2004
dc.date.accessioned 2013-06-01T11:56:27Z
dc.date.available 2013-06-01T11:56:27Z
dc.date.issued 2013-06-01
dc.identifier http://www.livingreviews.org/lrr-2004-9
dc.identifier http://www.doaj.org/doaj?func=openurl&genre=article&issn=14338351&date=2004&volume=7&issue=&spage=9
dc.identifier.uri http://koha.mediu.edu.my:8181/jspui/handle/123456789/8714
dc.description The theory of gravitational lensing is reviewed from a spacetime perspective, without quasi-Newtonian approximations. More precisely, the review covers all aspects of gravitational lensing where light propagation is described in terms of lightlike geodesics of a metric of Lorentzian signature. It includes the basic equations and the relevant techniques for calculating the position, the shape, and the brightness of images in an arbitrary general-relativistic spacetime. It also includes general theorems on the classification of caustics, on criteria for multiple imaging, and on the possible number of images. The general results are illustrated with examples of spacetimes where the lensing features can be explicitly calculated, including the Schwarzschild spacetime, the Kerr spacetime, the spacetime of a straight string, plane gravitational waves, and others.
dc.publisher Albert Einstein Institut, Max-Planck Institute for Gravitati
dc.source Living Reviews in Relativity
dc.subject Mathematical Relativity
dc.subject Gravitational lenses
dc.subject Differential geometry
dc.title Gravitational Lensing from a Spacetime Perspective


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