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SUMMARY:Fortuity in ABJM theory
DTSTART:20260127T130000Z
DTEND:20260127T150000Z
DTSTAMP:20260418T022400Z
UID:indico-event-1634254@indico.cern.ch
DESCRIPTION:Speakers: Alexandre Belin (Universita & INFN\, Milano-Bicocca 
 (IT))\n\nThe fortuitous mechanism is a way to distinguish different type o
 f microstates in quantum gravity. For BPS states\, the question can be mad
 e sharp: fortuitous operators are the true black hole microstates and disp
 lay an erratic N-dependence. A given operator built out of the fundamental
  fields of the theory can be BPS at some value of N\, while at higher N th
 e same operator fails to be BPS due to a trace relation disappearing. On t
 he other hand\, monotone operators correspond to excitations of the (BPS) 
 bulk perturbative fields\, and a given monotone operator built out of the 
 fundamental fields remains BPS at all N. In this talk\, I explore this mec
 hanism in ABJM theory\, which has several features absent in the canonical
  example of N=4 SYM: a non-continuous coupling\, and non-perturbative sect
 ors coming from monopole operators. I will perform a systematic analysis o
 f the operators of the theory at low quantum numbers in ABJM at N=2\, find
 ing the first fortuitous operators. I will work both at large k\, in direc
 t comparison to what is done in N=4 SYM\, but also at small k where monopo
 le operators become important. Finally\, I will speculate on a microscopic
  origin of the N^(3/2) scaling of the BH entropy and its connection to for
 tuity.\n\nhttps://indico.cern.ch/event/1634254/\n\nZoom: https://cern.zoom
 .us/j/61053603623?pwd=THhlNnU4ZXljQjFxMjVwQlVxVHdQZz09
LOCATION:4/3-006 - TH Conference Room (CERN)
URL:https://indico.cern.ch/event/1634254/
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