PIRSA:12110044 Scientific Series Strong Gravity

DOI10.48660/12110044

Series: Strong Gravity

Demorest, P. (2012). Detecting Gravitational Waves with Millisecond Pulsars. Perimeter Institute. https://pirsa.org/12110044

Demorest, Paul. Detecting Gravitational Waves with Millisecond Pulsars. Perimeter Institute, Nov. 15, 2012, https://pirsa.org/12110044 

@misc{ pirsa_PIRSA:12110044,
  doi = {10.48660/12110044},
  url = {https://pirsa.org/12110044},
  author = {Demorest, Paul},
  keywords = {Strong Gravity},
  language = {en},
  title = {Detecting Gravitational Waves with Millisecond Pulsars},
  publisher = {Perimeter Institute},
  year = {2012},
  month = {nov},
  note = {PIRSA:12110044 see, \url{https://pirsa.org}}
}

Abstract

Millisecond spin-period radio pulsars provide us with unique astronomical "laboratories" for exploring fundamental physics in a variety of ways -- from the physics of matter at super-nuclear density, to experimental tests of gravity. They have also provided the only experimental evidence so far for the existence of gravitational waves (GW).  A set of millisecond pulsars acting as precise astronomical clocks may also be used as a direct GW detector, sensitive to the nanohertz-frequency GW expected to be emitted by supermassive black hole binary systems or other more exotic sources.  In this talk I will present the project status and recent GW upper limits from the NANOGrav project.  I will also discuss expected near-future improvements in the measurement, including recent work aimed at better characterizing and mitigating the effect of multi-path propagation effects in the interstellar medium.

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