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SUMMARY:SU(N) flux tubes as Nambu-Goto strings - Andreas Athenodorou (Univ
 ersity of Oxford)
DTSTART:20090521T120000Z
DTEND:20090521T130000Z
UID:TALK18576@talks.cam.ac.uk
CONTACT:Diego Hernan Correa
DESCRIPTION:We calculate the excitation spectrum of closed k=1 and k=2 flu
 x tubes in 3 dimensional SU(N) gauge theories. We do so using lattice tech
 niques. We obtain unambiguous evidence that the closed fundamental flux tu
 be can be\nwell approximated by the Nambu-Goto bosonic string. Our results
  demonstrate that the low-lying spectrum of the k=2 string falls into sect
 ors that belong to nearly pure antisymmetric and symmetric representations
 . We also observe that the lightest states in each k=2 irreducible represe
 ntation are consistent with what one would expect from an effective string
  theory that belongs to the same bosonic universality class as Nambu-Goto.
  In addition we\nobserve unbound fundamental w=2 states.\n
LOCATION:Potter Room (first floor\, Pav. B)
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