Results 11 to 20 of about 841,753 (381)

Gravitational lensing [PDF]

open access: yesClassical and Quantum Gravity, 2010
Invited review article to appear in Classical and Quantum Gravity, 85 pages, 15 ...
Alcock C   +244 more
openaire   +4 more sources

Gravitational lensing [PDF]

open access: yesProceedings of 8th European VLBI Network Symposium — PoS(8thEVN), 2007
This is a short and biased review of gravitational lensing with emphasis on the radio and especially VLBI aspects. We briefly explain the basic idea and give a short sketch of the discovery of the first lens, before we more systematically discuss the general fields that can be studied with lensing.
Wucknitz, Olaf
openaire   +3 more sources

Gravitational lensing by wormholes [PDF]

open access: yesPhysical Review D, 2006
Gravitational lensing by traversable Lorentzian wormholes is a ew possibility which is analyzed here in the strong field limit. Wormhole solutions are considered in the Einstein minimally coupled theory and in the brane world model. The observables in both the theories show significant differences from those arising in the Schwarzschild black hole ...
Alexander V. Zakharov   +4 more
openaire   +7 more sources

Search for Gravitational-lensing Signatures in the Full Third Observing Run of the LIGO–Virgo Network [PDF]

open access: yesAstrophysical Journal, 2023
Gravitational lensing by massive objects along the line of sight to the source causes distortions to gravitational wave (GW) signals; such distortions may reveal information about fundamental physics, cosmology, and astrophysics.
The Ligo Scientific Collaboration   +499 more
semanticscholar   +1 more source

Gravitational lensing: a unique probe of dark matter and dark energy. [PDF]

open access: yesPhilos Trans A Math Phys Eng Sci, 2010
I review the development of gravitational lensing as a powerful tool of the observational cosmologist. After the historic eclipse expedition organized by Arthur Eddington and Frank Dyson, the subject lay observationally dormant for 60 years.
Ellis RS.
europepmc   +4 more sources

Strong Gravitational Lensing as a Probe of Dark Matter [PDF]

open access: yesSpace Science Reviews, 2023
Dark matter structures within strong gravitational lens galaxies and along their lines of sight leave a gravitational imprint on the multiple images of lensed sources.
S. Vegetti   +12 more
semanticscholar   +1 more source

Gravitational lensing by black holes with multiple photon spheres [PDF]

open access: yesPhysical Review D, 2022
We study gravitational lensing of light by hairy black holes, which, in a certain parameter regime, can possess two photon spheres of different size outside the event horizon.
Guangzhou Guo   +3 more
semanticscholar   +1 more source

Stellar prospects for FRB gravitational lensing [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2022
Gravitational lensing of fast radio bursts (FRBs) offers an exciting avenue for several cosmological applications. However, it is not yet clear how many such events future surveys will detect nor how to optimally find them.
L. Connor, V. Ravi
semanticscholar   +1 more source

lenstronomy II: A gravitational lensing software ecosystem [PDF]

open access: yesJournal of Open Source Software, 2021
lenstronomy is an Astropy-affiliated Python package for gravitational lensing simulations and analyses. lenstronomy was introduced by Birrer and Amara (2018) and is based on the linear basis set approach by Birrer et a. (2015).
S. Birrer   +20 more
semanticscholar   +1 more source

Strong gravitational lensing by rotating Simpson-Visser black holes [PDF]

open access: yesJournal of Cosmology and Astroparticle Physics, 2021
We investigate strong field gravitational lensing by rotating Simpson-Visser black hole, which has an additional parameter (0 ≤ l/2M ≤ 1), apart from mass (M) and rotation parameter (a).
Shafqat Ul Islam   +2 more
semanticscholar   +1 more source

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