Physics
Sunny Vagnozzi
What is the Hubble tension, really? A ...

My thoughts on what the Hubble tension really is, based on George Efstathiou’s “To H0 or not to H0?“, arXiv:2103.08723.

What is the Hubble tension, really? A SH0ES-centric view of the problem

Effective number of neutrinos

Top arXiv papers from Week 50, 2020

Top arXiv papers from Week 50, 2020

This week’s entry covers possible trouble for ΛCDM from merging clusters, a new state-of-the-art calculation of the effective number of neutrinos Neff, and a 5% test of spatial variations of Newton’s constant from the Large Magellanic Cloud. Enjoy the read!

Top arXiv papers from Week 49, 2020

Top arXiv papers from Week 49, 2020

This week’s entry covers an optimal fully Bayesian CMB lensing reconstruction on SPTPol data, how to use line intensity mapping to study dark matter decay, and the impact of the newly determined deuterium fusion rates on Big Bang Nucleosynthesis. Enjoy!

Top arXiv papers from Week 3, 2020

Top arXiv papers from Week 3, 2020

Here comes the third installment of my “Top arXiv papers of the week” column. Remember the warnings I pointed out in the first entry, that comments and criticisms are always appreciated, and enjoy!