Constraining GW dispersion and the mass of the graviton

Document #:

LIGO-G1701198-x0

Document type:

G - Presentations (eg Graphics)

Abstract:

The recent detections of gravitational waves (GW) from coalescing black hole binaries have opened a wealth of possibilities for testing GR against alternative theories of gravity. A class of alternative theories can be characterized by the modification of the propagation of GWs. By introducing either a “massive graviton” term or a Lorentz invariance violating term in the GW dispersion relation, we have placed observational bounds on GW dispersion and the graviton mass, in the light of the signals detected so far. I will present the method employed and will give an update of current results. I will finally discuss the intriguing potential of cosmological applications that can make use of this kind of information.

Files in Document:

None

Topics:

• Compact Binaries

Authors:

• Michalis Agathos
• Anuradha Samajdar
• K G Arun
• Stanislav Babak
• Walter Del Pozzo
• Chris van den Broeck
• Archisman Ghosh
• Chandra Mishra
• Rajesh Nayak
• Laura van-der-Schaaf
• Salvatore Vitale

Associated with Events:

Amaldi 12 held on 09 Jul 2017 in Hilton Hotel, Pasadena, CA