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SUMMARY:Ping Gao (Rutgers)
DTSTART:20250909T183000Z
DTEND:20250909T193000Z
DTSTAMP:20260423T024447Z
UID:nhetc/113
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/nhetc/113/">
 A new probe of non-maximal quantum chaos: pole-skipping of higher spin ope
 rators</a>\nby Ping Gao (Rutgers) as part of NHETC Seminar\n\n\nAbstract\n
 Pole-skipping is an independent probe of quantum chaos beyond the Lyapunov
  exponent. In this talk\, I will explain the pole-skipping of higher spin 
 operators in a higher-dimensional CFT with large N. For such a CFT in the 
 Regge limit\, we will have non-maximal quantum chaos\, which is associated
  with the leading Regge trajectory. For generic spin J\, there exists a no
 ntrivial two-piece rule for the distribution of pole-skipping points at bo
 th positive and negative imaginary frequencies. For the pole-skipping of a
 n individual spin J operator\, it has nothing to do with the non-maximal L
 yapunov exponent. However\, if we combine the infinite pole-skipping point
 s with the largest imaginary Matsubara frequencies\, we will surprisingly 
 find that they form an analytic trajectory\, which gives the non-maximal L
 yapunov exponent. We conjecture this property holds for generic non-maxima
 l chaotic systems and verify this conjecture in large q SYK chain.\n
LOCATION:https://researchseminars.org/talk/nhetc/113/
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