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Noiseless Gravitational Lensing Simulations
Raul E. Angulo, Ruizhu Chen, Stefan Hilbert +1
The microphysical properties of the DM particle can, in principle, be constrained by the properties and abundance of substructures in DM halos, as measured through strong gravitati…
Cosmology from gravitational lens time delays and Planck data
S. H. Suyu, T. Treu, S. Hilbert +11
Under the assumption of a flat Lambda-CDM cosmology, recent data from the Planck satellite point toward a Hubble constant that is in tension with that measured by gravitational len…
Intrinsic galaxy shapes and alignments II: Modelling the intrinsic alignment contamination of weak lensing surveys
B. Joachimi, E. Semboloni, S. Hilbert +4
Intrinsic galaxy alignments constitute the major astrophysical systematic of forthcoming weak gravitational lensing surveys but also yield unique insights into galaxy formation and…
Inconsistent thermostatistics and negative absolute temperatures
Jörn Dunkel, Stefan Hilbert
A considerable body of experimental and theoretical work claims the existence of negative absolute temperatures in spin systems and ultra-cold quantum gases. Here, we clarify that…
Reconstructing the Lensing Mass in the Universe from Photometric Catalogue Data
Thomas E. Collett, Philip J. Marshall, Matthew W. Auger +8
High precision cosmological distance measurements towards individual objects such as time delay gravitational lenses or type Ia supernovae are affected by weak lensing perturbation…
Improving the precision of time-delay cosmography with observations of galaxies along the line of sight
Zach S. Greene, Sherry H. Suyu, Tommaso Treu +8
In order to use strong gravitational lens time delays to measure precise and accurate cosmological parameters the effects of mass along the line of sight must be taken into account…