Top arXiv papers from Week 39, 2020

Top arXiv papers from Week 39, 2020

This week’s entry is entirely dedicated to dark matter and ways of searching for or constraining its properties which I would define “off the beaten track”, ranging from using the first stars, to black hole shadows, to quantum gravity-inspired theoretical guiding principles. Enjoy!

Top arXiv papers from Week 38, 2020

Top arXiv papers from Week 38, 2020

This week I cover a proposal to confirm the possible Dirac nature of neutrinos exploiting a subtle correlation between cosmological and terrestrial measurements, how to determine the sound horizon and H0 from BAO independently of the details of recombination, and a possible interpretation of the recent detection of the stochastic gravitational wave background at nHz frequencies by NANOGrav as being due to cosmic strings. Enjoy and have a nice weekend!

Top arXiv papers from Week 37, 2020

Top arXiv papers from Week 37, 2020

After a much needed 3-week break in Spain and 2 weeks “at” the Cosmology from Home conference (great talks, great format, great work by the organizers, 5+ stars from my side), the weekly arXiv synopses return! This week I cover the first constraints on small-scale non-Gaussianity from the UV galaxy luminosity function, astrophysical signatures of black holes carrying magnetic charge, and the HMCODE-2020 code for modelling the non-linear matter power spectrum. Enjoy!

Top arXiv papers from Week 31, 2020

Top arXiv papers from Week 31, 2020

End-of-the-week synopses looking at the possibility of directly detecting dark energy fluctuations using anisotropies in gravitational wave luminosity distances, constraints on baryonic effects from the DES Y1 data, and revisiting constraints on the CMB temperature and whether the latter might have some bearings on the H0 tension. A heads-up that this will be the last entry for the next 5 weeks, as I’m going on holiday. Enjoy, and see you again here in mid-September!

Away note 3

Away note 3

As all ordinary mortals, I too need to take holidays, especially this year with all the stuff that’s been going on. Therefore this note is to inform my regular readers that I will be gone for the next 5 weeks, the first 3 of which I plan on spending enjoying the nice playa you see above,* and the next 2 of which I will spend on the Cosmology from Home conference (so virtually away). During these 5 weeks I will take a much needed break from work and from my blog, so my Week 32, 33, 34, 35, and 36 arXiv summaries will not appear. I plan to return for Week 37 around September 13, so stay tuned! Until then, happy holidays to those of you who also plan on taking holidays, and if not, enjoy your time and stay safe wherever you are!

Top arXiv papers from Week 30, 2020

Top arXiv papers from Week 30, 2020

New end-of-the-week wrap-up looking at the final eBOSS data release, a new gravitational wave signature from a black hole-wormhole mergers, and how massive neutrinos affect the so-called linear point standard ruler.

Top arXiv papers from Week 28, 2020

Top arXiv papers from Week 28, 2020

This week’s entry looks at a new H0LiCOW analysis which quantifies the impact of the mass-sheet transform, the possibility of nailing down H0 from dark sirens following future upgrades to LIGO/Virgo, and a novel class of shadows from asymmetric thin-shell wormholes. Enjoy!