Stabilised Wilson fermions for QCD on very large lattices

Particle Physics Theory seminar

Stabilised Wilson fermions for QCD on very large lattices

  • Event time: 2:00pm
  • Event date: 19th June 2019
  • Speaker: (University of Plymouth)
  • Location: Higgs Centre Seminar Room, Room 4305,

Event details

Rough gauge fields are an obstacle in large-scale dynamical fermion simulations with Wilson quarks.
When the pion mass is lowered and the gap of the lattice Dirac operator shrinks, algorithmic instabilities
and precision issues hamper the stability of the configurations generation and affect the estimate
of observables. Ways to overcome these problems are described in this talk for the case of the O(a)-improved
Wilson formulation of lattice QCD. The effectiveness of the proposed stabilizing and precision-control
measures is then verified through extensive simulations of 2 + 1-flavour QCD.

About Particle Physics Theory seminars

The Particle Physics Theory seminar is a weekly series of talks reflecting the diverse interests of the group. Topics include analytic and numerical calculations based on the Standard Model of elementary particle physics, theories exploring new physics, as well as more formal developments in gauge theories and gravity..

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