Master-field simulations of O(a)-improved lattice QCD: Algorithms, stability and exactness

Anthony Francis; Patrick Fritzsch; Martin Lüscher; Antonio Rago

doi:10.1016/j.cpc.2020.107355

Master-field simulations of O(a)-improved lattice QCD: Algorithms, stability and exactness

Anthony Francis, Patrick Fritzsch, Martin Lüscher^*, Antonio Rago

^*Corresponding author for this work

School of Engineering, Computing and Mathematics

Research output: Contribution to journal › Article › peer-review

4 Downloads (Pure)

Abstract

In master-field simulations of lattice QCD, the expectation values of interest are obtained from a single or at most a few representative gauge-field configurations on very large lattices. If the light quarks are included, the generation of these fields using standard techniques is however challenging in view of various algorithmic instabilities and precision issues. Ways to overcome these problems are described here for the case of the O(α)-improved Wilson formulation of lattice QCD and the viability of the proposed measures is then checked in extensive simulations of the theory with flavours of quarks.

Original language	English
Pages (from-to)	0-0
Number of pages	0
Journal	Computer Physics Communications
Volume	0
Issue number	0
Early online date	18 May 2020
DOIs	https://doi.org/10.1016/j.cpc.2020.107355
Publication status	Published - Oct 2020

Access to Document

10.1016/j.cpc.2020.107355

1911

Cite this

@article{158bc15664ba4af0a8f4032522898480,

title = "Master-field simulations of O(a)-improved lattice QCD: Algorithms, stability and exactness",

abstract = "In master-field simulations of lattice QCD, the expectation values of interest are obtained from a single or at most a few representative gauge-field configurations on very large lattices. If the light quarks are included, the generation of these fields using standard techniques is however challenging in view of various algorithmic instabilities and precision issues. Ways to overcome these problems are described here for the case of the O(α)-improved Wilson formulation of lattice QCD and the viability of the proposed measures is then checked in extensive simulations of the theory with flavours of quarks.",

author = "Anthony Francis and Patrick Fritzsch and Martin L{\"u}scher and Antonio Rago",

year = "2020",

month = oct,

doi = "10.1016/j.cpc.2020.107355",

language = "English",

volume = "0",

pages = "0--0",

journal = "Computer Physics Communications",

issn = "0010-4655",

publisher = "Elsevier B.V.",

number = "0",

}

TY - JOUR

T1 - Master-field simulations of O(a)-improved lattice QCD: Algorithms, stability and exactness

AU - Francis, Anthony

AU - Fritzsch, Patrick

AU - Lüscher, Martin

AU - Rago, Antonio

PY - 2020/10

Y1 - 2020/10

N2 - In master-field simulations of lattice QCD, the expectation values of interest are obtained from a single or at most a few representative gauge-field configurations on very large lattices. If the light quarks are included, the generation of these fields using standard techniques is however challenging in view of various algorithmic instabilities and precision issues. Ways to overcome these problems are described here for the case of the O(α)-improved Wilson formulation of lattice QCD and the viability of the proposed measures is then checked in extensive simulations of the theory with flavours of quarks.

AB - In master-field simulations of lattice QCD, the expectation values of interest are obtained from a single or at most a few representative gauge-field configurations on very large lattices. If the light quarks are included, the generation of these fields using standard techniques is however challenging in view of various algorithmic instabilities and precision issues. Ways to overcome these problems are described here for the case of the O(α)-improved Wilson formulation of lattice QCD and the viability of the proposed measures is then checked in extensive simulations of the theory with flavours of quarks.

U2 - 10.1016/j.cpc.2020.107355

DO - 10.1016/j.cpc.2020.107355

M3 - Article

SN - 0010-4655

VL - 0

SP - 0

EP - 0

JO - Computer Physics Communications

JF - Computer Physics Communications

IS - 0

ER -

Master-field simulations of O(a)-improved lattice QCD: Algorithms, stability and exactness

Abstract

Access to Document

Fingerprint

Cite this