"A study of gravitational wave memory effects in radiative geometries and wormholes "
Indranil Chakraborty , IIT Kharagpur
[Host: David Nichols]
Gravitational memory effects are persistent deformations caused due to the passage of a gravitational wave pulse. It is a nonlinear effect in General Relativity that remains yet to be detected. In this talk, primarily from a theoretical perspective, we study memory effects in two different settings: i) Radiative geometries, ii) Lorentzian wormholes. In radiative geometries, we show how geodesic and geodesic deviation equations encode the gravitational wave memory. In the latter case, we perform a Bondi-Sachs analysis and try to show how the Bondi mass loss depends on the wormhole hair.
Monday, March 20, 2023
, Room Zoom
Note special room.
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Meeting ID: 979 7765 8329
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