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SUMMARY:Index saddle for the D1-D5-P black string
DTSTART:20260917T123000Z
DTEND:20260917T133000Z
DTSTAMP:20260827T070900Z
UID:indico-event-1903@indico.dfa.unipd.it
CONTACT:davide.cassani@pd.infn.it
DESCRIPTION:Speakers: Shanmugapriya Prakasam (ICTS-TIFR\, Bengaluru)\n\nFo
 r a large class of black holes\, the explanation of the macroscopic entrop
 y has been successfully given via a microscopic count over a set of states
 . The central object of interest in these computations is the supersymmetr
 ic index. Recent results found the true gravitational saddles that contrib
 ute to the macroscopic index of certain asymptotically AdS and also to asy
 mptotically flat black holes. The saddles in asymptotically flat space are
  rotating\, supersymmetric and non-extremal black hole solutions that exhi
 bit the new attractor mechanism in four dimensions. In this talk\, we will
  first demonstrate how to uplift a 4D new attractor saddle to a known 5D b
 lack hole index saddle. Black string saddles were recently constructed in 
 five dimensions by uplifting 4D black hole index saddles and applying a no
 vel decoupling limit. Motivated by this work\, we further extend this prog
 ram by constructing a 6D black string index saddle by uplifting the known 
 5D black hole index saddle. An appropriately engineered decoupling limit a
 llows us to zoom into the $AdS_3 \\times S^3$ near horizon region and cons
 truct the BTZ $\\times S^3$ index saddle.\n\nhttps://indico.dfa.unipd.it/e
 vent/1903/
URL:https://indico.dfa.unipd.it/event/1903/
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