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SUMMARY:Extreme Mass-Ratio Inspirals as Dynamical Probes of Spacetime Geom
 etry
DTSTART:20261001T080000Z
DTEND:20261001T090000Z
DTSTAMP:20261002T195500Z
UID:indico-event-19253@indico.global
DESCRIPTION:Abstract: The inspiral of a stellar-mass compact object into a
  supermassive black hole—an Extreme Mass-Ratio Inspiral (EMRI)—is one 
 of the most pristine dynamical systems in the universe. They represent a u
 nique observational opportunity: EMRIs act as fundamental test particles p
 erforming a high-resolution\, long-term scan of a highly curved spacetime.
  In this talk\, I will introduce the fundamentals of EMRIs. Over the cours
 e of hundreds of thousands of orbits\, the smaller body slowly deviates fr
 om pure geodesic flow due to its own gravitational self-force (radiation r
 eaction). Because this adiabatic evolution is incredibly sensitive to the 
 surrounding curvature\, the resulting gravitational waves encode the multi
 polar structure of the background metric of warped spacetime. I will discu
 ss how we can use these millions of phase cycles to reconstruct the local 
 spacetime geometry\, test the Kerr hypothesis\, and probe the boundary con
 ditions of the event horizon itself. Ultimately\, this talk aims to demons
 trate how future space-borne gravitational wave observatories will provide
  a direct\, empirical window into the pure geometry of strong-field gravit
 y.\n\nhttps://indico.global/event/19253/
LOCATION:Aule 2 e 3 (Scuola Superiore Meridionale )
URL:https://indico.global/event/19253/
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