PIRSA:11020078 Scientific Series Cosmology

DOI10.48660/11020078

Series: Cosmology and Gravitation

Sehgal, N. (2011). Understanding Fundamental Physics with Galaxy Clusters. Perimeter Institute. https://pirsa.org/11020078

Sehgal, Neelima. Understanding Fundamental Physics with Galaxy Clusters. Perimeter Institute, Feb. 01, 2011, https://pirsa.org/11020078 

@misc{ pirsa_PIRSA:11020078,
  doi = {10.48660/11020078},
  url = {https://pirsa.org/11020078},
  author = {Sehgal, Neelima},
  keywords = {Cosmology},
  language = {en},
  title = {Understanding Fundamental Physics with Galaxy Clusters},
  publisher = {Perimeter Institute},
  year = {2011},
  month = {feb},
  note = {PIRSA:11020078 see, \url{https://pirsa.org}}
}

Abstract

I will discuss a powerful way to examine the nature of dark energy using a measurement of the growth of galaxy clusters over cosmic time. A novel technique that uses the Cosmic Microwave Background as a backlight allows the detection of galaxy clusters out to the time of their first formation. Using this technique, I will present the first constraints on cosmological parameters obtained with the Atacama Cosmology Telescope, as well as exciting prospects for the future.

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