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SUMMARY:Topical Seminar: Dilaton & Scale Invariance
DTSTART;VALUE=DATE-TIME:20221215T110000Z
DTEND;VALUE=DATE-TIME:20221215T123000Z
DTSTAMP;VALUE=DATE-TIME:20260429T110053Z
UID:indico-event-6900@indico.ific.uv.es
DESCRIPTION:As the number of fermion fields is increased\, gauge theories 
 are expected to undergo a transition from a QCD-like phase\, characterised
  by\nconfinement and chiral symmetry breaking\, to a conformal phase\, whe
 re the theory becomes scale-invariant at large distances. In this paper\, 
 we\ndiscuss some properties of a third phase\, where spontaneously broken 
 conformal symmetry is characterised by its Goldstone boson\, the dilaton. 
 In this phase\, which we refer to as conformal dilaton phase\, the massles
 s pole corresponding to the Goldstone boson guarantees that the conformal 
 Ward identities are satisfied in the infrared despite the other hadrons ca
 rrying mass. In particular\, using renormalisation group arguments in Eucl
 idean space\, we show that for massless quarks the trace of the energy mom
 entum tensor vanishes on all physical states as a result of the fixed poin
 t. \n \n\nhttps://indico.ific.uv.es/event/6900/
LOCATION:Universe 1001-Primera-1-1-1 - Paterna. Seminario
URL:https://indico.ific.uv.es/event/6900/
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