120 citations · 400 across the 16 of their papers we have counts for
17 papers
Agentic research is oxymoronic
Natalie B. Hogg
The use of agentic large language models obviates human interpretation of scientific results, and will lead to substantial distrust in the literature.
Line-of-sight shear in SLACS strong lenses II: validation tests with an extended sample
Natalie B. Hogg, Daniel P. Johnson, Anowar J. Shajib +1
Strong gravitational lensing images are subject to shape distortions due to inhomogeneities along the line of sight. The leading order shape distortion is shear, which, if measurab…
Implications of distance duality violation for the tension and evolving dark energy
Elsa M. Teixeira, William Giarè, Natalie B. Hogg +3
We investigate whether a violation of the distance duality relation (DDR), , connecting the angular diameter and luminosity distances, can explain the Hubb…
Line-of-sight shear in SLACS strong lenses I: shear and mass model parametrisations
Natalie B. Hogg, Daniel P. Johnson, Anowar J. Shajib +1
Inhomogeneities along the line of sight in strong gravitational lensing distort the images produced, in an effect called shear. If measurable, this shear may provide independent co…
Weak lensing of strong lensing: beyond the tidal regime
Théo Duboscq, Natalie B. Hogg, Pierre Fleury +1
The analysis of strong lensing images usually involves an external convergence and shear, which are meant to model the effect of perturbations along the line of sight, on top of th…
The interacting vacuum and tensions: a comparison of theoretical models
Marco Sebastianutti, Natalie B. Hogg, Marco Bruni
We analyse three interacting vacuum dark energy models with the aim of exploring whether the and tensions can be simultaneously resolved in such models. We present the…
Constraints on dark energy from TDCOSMO & SLACS lenses
Natalie B. Hogg
Problems with the cosmological constant model of dark energy motivate the investigation of alternative scenarios. I make the first measurement of the dark energy equation of state…
Measuring line-of-sight shear with Einstein rings: a proof of concept
Natalie B. Hogg, Pierre Fleury, Julien Larena +1
Line-of-sight effects in strong gravitational lensing have long been treated as a nuisance. However, it was recently proposed that the line-of-sight shear could be a cosmological o…
Dancing in the dark: detecting a population of distant primordial black holes
Matteo Martinelli, Francesca Scarcella, Natalie B. Hogg +3
Primordial black holes (PBHs) are compact objects proposed to have formed in the early Universe from the collapse of small-scale over-densities. Their existence may be detected fro…
Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies
Elcio Abdalla, Guillermo Franco Abellán, Amin Aboubrahim +200
In this paper we will list a few important goals that need to be addressed in the next decade, also taking into account the current discordances between the different cosmological…
The resilience of the Etherington-Hubble relation
Fabrizio Renzi, Natalie B. Hogg, William Giarè
The Etherington reciprocity theorem, or distance duality relation (DDR), relates the mutual scaling of cosmic distances in any metric theory of gravity where photons are massless a…
EuCAPT White Paper: Opportunities and Challenges for Theoretical Astroparticle Physics in the Next Decade
R. Alves Batista, M. A. Amin, G. Barenboim +134
Astroparticle physics is undergoing a profound transformation, due to a series of extraordinary new results, such as the discovery of high-energy cosmic neutrinos with IceCube, the…
Shan--Chen interacting vacuum cosmology
Natalie B. Hogg, Marco Bruni
In this paper, we introduce a novel class of interacting vacuum models, based on recasting the equation of state originally developed in the context of lattice kinetic theory by Sh…
Strongly lensed supernovae as a self-sufficient probe of the distance duality relation
Fabrizio Renzi, Natalie B. Hogg, Matteo Martinelli +1
The observation of strongly lensed Type Ia supernovae enables both the luminosity and angular diameter distance to a source to be measured simultaneously using a single observation…
Constraints on the distance duality relation with standard sirens
Natalie B. Hogg, Matteo Martinelli, Savvas Nesseris
We use gravitational wave (GW) standard sirens, in addition to Type Ia supernovae (SNIa) and baryon acoustic oscillation (BAO) mock data, to forecast constraints on the electromagn…
Latest evidence for a late time vacuum -- geodesic CDM interaction
Natalie B. Hogg, Marco Bruni, Robert Crittenden +2
We perform a reconstruction of the coupling function between vacuum energy and geodesic cold dark matter using the latest observational data. We bin the interaction in seventeen re…
Constraints on the interacting vacuum -- geodesic CDM scenario
Matteo Martinelli, Natalie B. Hogg, Simone Peirone +2
We investigate an interacting dark sector scenario in which the vacuum energy is free to interact with cold dark matter (CDM), which itself is assumed to cluster under the sole act…