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SUMMARY:Quantum black holes: a macroscopic window into quantum gravity
DTSTART;VALUE=DATE-TIME:20200206T140000Z
DTEND;VALUE=DATE-TIME:20200206T150000Z
DTSTAMP;VALUE=DATE-TIME:20200330T082406Z
UID:indico-event-867@conference.ippp.dur.ac.uk
DESCRIPTION:The pioneering work of Bekenstein and Hawking in the 70s showe
d that black\nholes have a thermodynamic behavior. They produced a univers
al area law for\nblack hole entropy valid in the limit that the black hole
is infinitely large.\nQuantum effects induce finite-size corrections to t
his formula\, thus providing a\nwindow into the fundamental microscopic th
eory of gravity and its deviations\nfrom classical general relativity. In
this talk I will discuss recent advances in\nhigh-precision computations o
f quantum black hole entropy in supersymmetric\ntheories of gravity\, usin
g new localization techniques. These calculations allow\nus to test the su
ggestion that black holes are really ensembles of microscopic\nstates in a
very detailed manner\, much beyond the semi-classical limit.\n\nI will th
en discuss how one can independently verify these calculations using\nexpl
icit models of microscopic ensembles for black holes in string theory\ncon
structed in the 90s. These investigations throw up a surprising link to\nn
umber theory and the so-called Mock modular forms of Ramanujan. I will end
\nby sketching some research directions that these ideas lead to.\n\nhttps
://conference.ippp.dur.ac.uk/event/867/
LOCATION:
URL:https://conference.ippp.dur.ac.uk/event/867/
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