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SUMMARY:Lattice QCD in the chiral regime: low mode averaging technique and
 \ntopology conserving actions
DTSTART;VALUE=DATE-TIME:20051216T110000Z
DTEND;VALUE=DATE-TIME:20051216T120000Z
DTSTAMP;VALUE=DATE-TIME:20261113T032157Z
UID:indico-event-1465@indico.ific.uv.es
DESCRIPTION:lattice QCD is a powerful tool to investigate non-perturbative
  features of strong interactions. In particular\, by using the Neuberger f
 ormulation for fermions\, chiral symmetry is preserved on the lattice and 
 the chiral regime of QCD can be explored. In recent years\, lattice simula
 tions in the so-called epsilon-regime allowed to compute the Low Energy co
 nstants of the effective Chiral Lagrangian. In this talk I will present so
 me useful technique which can be adopted in this contest: first I will dis
 cuss the low-mode averaging method\, which is able to reduce large fluctua
 tions in correlation functions due to low-mode eigenvalues of the Dirac op
 erator. In particular\, I will show an application to baryon two-point fun
 ctions. Secondly I will present a particular formulation of the lattice SU
 (3) gauge action which suppresses topological transitions and could hence 
 be profitable in the epsilon-regime\, where predictions for observables in
  a fixed topological sector are avalaible.\n\nhttps://indico.ific.uv.es/ev
 ent/1465/
LOCATION:Edf. Institutos de Investigación Sala Seminarios IFIC
URL:https://indico.ific.uv.es/event/1465/
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