Gravity in the Era of Equality: Towards solutions to the Hubble problem without fine-tuned initial conditions

10 Jun 2020 Zumalacarregui Miguel

Discrepant measurements of the Universe's expansion rate ($H_0$) may signal physics beyond the standard cosmological model. Here I describe two early modified gravity mechanisms that reconcile the value of $H_0$ by increasing the expansion rate in the era of matter-radiation equality... (read more)

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Categories


  • COSMOLOGY AND NONGALACTIC ASTROPHYSICS
  • GENERAL RELATIVITY AND QUANTUM COSMOLOGY
  • HIGH ENERGY PHYSICS - PHENOMENOLOGY
  • HIGH ENERGY PHYSICS - THEORY