University of Minnesota
School of Physics & Astronomy

High Energy Theory Lunchtime Seminar

Friday, January 27th 2017
Speaker: Yi-Zen Chu (U. Minnesota-Duluth)
Subject: Cosmological Gravitational Waves: Causal Structure And Memories

Despite being associated with particles of zero rest mass, electromagnetic and gravitational waves do not travel solely on the null cone in generic curved spacetimes. (That is, light does not always propagate on the light cone.) This inside-the-null-cone propagation of waves is known as the tail effect, and finding novel ways of understanding it in the strong field regime near a black hole may find applications for modeling the gravitational signals sought after by next-generation space-based detectors such as LISA

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