Results 221 to 230 of about 2,953 (244)
Weak gravitational lensing [PDF]
Physics Reports, 2001 Review; 223 pages; figures embedded; to be submitted to Physics Reports; constructive comments are ...
Matthias Bartelmann, P Schneider
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Weak gravitational lensing by voids [PDF]
Monthly Notices of the Royal Astronomical Society, 1999 We consider the prospects for detecting weak gravitational lensing by underdensities (voids) in the large-scale matter distribution. We derive the basic expressions for magnification and distortion by spherical voids. Clustering of the background sources and cosmic variance are the main factors which limit in principle the detection of lensing by voids.
Luca Amendola +2 more
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Weak gravitational lensing of the CMB [PDF]
Physics Reports, 2006 Weak gravitational lensing has several important effects on the cosmic microwave background (CMB): it changes the CMB power spectra, induces non-Gaussianities, and generates a B-mode polarization signal that is an important source of confusion for the signal from primordial gravitational waves.
A Challinor +2 more
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Weak Gravitational Lensing and Its Cosmological Applications [PDF]
Annual Review of Nuclear and Particle Science, 2008 Weak gravitational lensing is a unique probe of the dark side of the universe: It provides a direct way to map the distribution of dark matter around galaxies and clusters of galaxies as well as on cosmological scales. Furthermore, the measurement of the weak lensing–induced distortions of the shapes of distant galaxies is a potentially powerful probe
Henk Hoekstra, Bhuvnesh Jain
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Current status of weak gravitational lensing
New Astronomy Reviews, 2002 Weak gravitational lensing of distant galaxies by foreground structures has proven to be a powerful tool to study the mass distribution in the universe. Nowadays, attention has shifted from clusters of galaxies to the statistical properties of the large scale structures and the halos of (field) galaxies. These applications have become feasible with the
Henk Hoekstra, Michael D Gladders
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2015
In this chapter, we summarize the basics of gravitational lensing. We derive the basic equation in gravitational lensing and summarize the relation between observables and physical quantities. We then introduce some statistical methodologies to extract cosmological information from gravitational lensing analysis.
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In this chapter, we summarize the basics of gravitational lensing. We derive the basic equation in gravitational lensing and summarize the relation between observables and physical quantities. We then introduce some statistical methodologies to extract cosmological information from gravitational lensing analysis.
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Astrophysical Systematics in Weak Gravitational Lensing
2019Large-scale structure surveys allow us to constrain cosmology through the growth of structure and the expansion history. Together with Cosmic Microwave Background (CMB) measurements from the early Universe, the standard CDM with general relativity has become a concordance model that explains the origin and evolution of our Universe for over thirteen ...
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Weak Gravitational Lensing around Bardeen Black Hole with a String Cloud in the Presence of Plasma
Symmetry, 2023Farruh Atamurotov +2 more
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Impact of point spread function higher moments error on weak gravitational lensing
Monthly Notices of the Royal Astronomical Society, 2021Tianqing Zhang +2 more
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