Physics at Virginia

"Gravitational wave memory effects in Brans-Dicke theory"

Shammi Tahura , University of Virginia - Department of Physics
[Host: Kent Yagi]

When gravitational waves pass through observers located far away from the source, they cause oscillatory distortions of the separations among the observers. There is one more interesting phenomenon that the gravitational waves can create lasting relative displacements of the observers, which is called the gravitational wave memory effect. Such effects are closely related to infrared properties of gravity and other massless field theories, including their asymptotic symmetries and conserved quantities. In this talk, I will present the Brans-Dicke theory in Bondi-Sachs form, discussing asymptotic symmetries, conserved charges, and the gravitational wave memory effects.

High Energy Physics Seminar
Thursday, November 5, 2020
4:00 PM
Online, Room via Zoom
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