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Tuning of the strange quark mass with optimal reweighting · Around

2015

Tuning of the strange quark mass with optimal reweighting

Leder, Björn, Finkenrath, Jacob

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Understand

Quark mass reweighting can be used to tune the mass of dynamical quarks.

The basic idea is to use gauge field ensembles generated at some bare mass parameters to evaluate observables at different bare sea quark masses.
This involves the computation of so called reweighing factors which are given as ratios of fermion determinants.
In the case of simulations including the strange quark, reweighting can be used to improve the approach towards physical quark masses.

Built on

M. Hasenbusch, Speeding up the hybrid Monte Carlo algorithm for dynamical fermions
2001
Earlier work this paper cites.
A. Hasenfratz and A. Alexandru, Evaluating the fermionic determinant of dynamical configurations
2002
Earlier work this paper cites.
A. Hasenfratz and A. Alexandru, Improving the partial global stochastic metropolis update for dynamical smeared link fermions
2003
Earlier work this paper cites.

Similar

M. Lüscher and F. Palombi, Fluctuations and reweighting of the quark determinant on large lattices
Original
2008
Cited alongside, same era.
A. Hasenfratz, R. Hoffmann, and S. Schaefer, Reweighting towards the chiral limit
Original
2008
Cited alongside, same era.
J. Finkenrath, F. Knechtli, and B. Leder, One flavor mass reweighting in lattice QCD
Original
2013
Cited alongside, same era.
M. Bruno, D. Djukanovic, G. P. Engel, A. Francis, G. Herdoiza, et al., Simulation of QCD with N f = 2 + 1 N_{f}=2+1 flavors of non-perturbatively improved Wilson fermions
Original
Cited in the paper.
B. Leder and J. Finkenrath, mrw - Mass and twisted-mass reweighting based on openQCD
Cited in the paper.
M. Lüscher and S. Schaefer, openQCD - Simulation program for lattice QCD
Cited in the paper.

Then

M. Lüscher and S. Schaefer, Lattice QCD with open boundary conditions and twisted-mass reweighting
Original
2013
Later among the works it cites.
J. Finkenrath, B. Leder, and F. Knechtli, Isospin Effects by Mass Reweighting
2014
Later among the works it cites.
B. Leder, J. Finkenrath, and F. Knechtli, One flavor mass reweighting: foundations
Original
2014
Later among the works it cites.

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