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SUMMARY:Nick Warner (Southern California University)
DTSTART:20200929T100000Z
DTEND:20200929T110000Z
DTSTAMP:20260513T204325Z
UID:CCTP_HEP/17
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CCTP_HEP/17/
 ">Tidal Trapping of Strings by Microstate Geometries</a>\nby Nick Warner (
 Southern California University) as part of CCTP HEP Seminars\n\n\nAbstract
 \nI will describe the fate of a massless (or ultra-relativistic massive) s
 tring probe propagating down the BTZ-like throat of a microstate geometry 
 in the D1-D5 system. Far down the throat\, the probe encounters large tida
 l forces that stretch and excite the string. The excitations are limited b
 y the very short transit time through the region of large tidal force\, le
 ading to a controlled approximation to tidal stretching. The amount of str
 etching is proportional to the incident energy\, and that it robs the prob
 e of the kinetic energy it would need to travel back up the throat. As a c
 onsequence\, the probe is effectively trapped far down the throat and\, th
 rough repeated return passes\, scrambles into the ensemble of nearby micro
 states. This tidal trapping can lead to weak gravitational echoes.\n
LOCATION:https://researchseminars.org/talk/CCTP_HEP/17/
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