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SUMMARY:Joao Caetano
DTSTART:20220224T144500Z
DTEND:20220224T163000Z
DTSTAMP:20260423T040335Z
UID:LIJC/63
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/LIJC/63/">Cr
 osscap States in Integrable Theories</a>\nby Joao Caetano as part of Londo
 n Integrability Journal Club\n\n\nAbstract\nIn this talk\, I will describe
  crosscap states in integrable field theories and spin chains in 1+1 dimen
 sions. I will derive an exact formula for overlaps between the crosscap st
 ate and any excited state in integrable field theories with diagonal scatt
 ering. I will then compute the crosscap entropy\, i.e. the overlap for the
  ground state\, in some examples. In the examples analyzed\, the result tu
 rns out to decrease monotonically along the renormalization group flow exc
 ept in cases where the discrete symmetry is spontaneously broken in the in
 frared. I will discuss crosscap states in integrable spin chains\, and obt
 ain determinant expressions for the overlaps with energy eigenstates. I wi
 ll comment on the realization of crosscap states in holography.\n
LOCATION:https://researchseminars.org/talk/LIJC/63/
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