The Calculation of Force in Lattice Quantum Chromodynamics
Daming Li
TL;DR
This paper details the complex process of calculating force in lattice QCD using various improved actions and fermion formulations, including considerations for preconditioning techniques.
Contribution
It provides a comprehensive methodology for force calculation across multiple lattice QCD actions and fermion types, enhancing computational accuracy and efficiency.
Findings
Detailed formulas for force calculation in different fermion actions
Inclusion of even-odd preconditioning in force computations
Comparison of force calculation techniques across various lattice formulations
Abstract
The calculation of force is most difficult part in lattice Quantum Chromodynamics (QCD). This lecture gives the details of the force calculation in one-loop Symanzik improved action, Wilson fermion with clover term, asqtad fermion, HISQ fermion, rooted staggered fermion, smeared fermion, staggered Wilson fermion, overlap fermion and domain wall fermion. The even-odd precondition are also considered in these calculations.
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Taxonomy
TopicsAdvanced Physical and Chemical Molecular Interactions