Type

Journal Article

Authors

Michael Peardon

Subjects

Physics

Topics
construction space algorithm sources lattice qcd creation high energy physics elements

A Novel quark-field creation operator construction for hadronic physics in lattice QCD (2009)

Abstract A new quark-field smearing algorithm is defined which enables efficient calculations of a broad range of hadron correlation functions. The technique applies a low-rank operator to define smooth fields that are to be used in hadron creation operators. The resulting space of smooth fields is small enough that all elements of the reduced quark propagator can be computed exactly at reasonable computational cost. Correlations between arbitrary sources, including multihadron operators can be computed a posteriori without requiring new lattice Dirac operator inversions. The method is tested on realistic lattice sizes with light dynamical quarks.
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Full list of authors on original publication

Michael Peardon

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Michael James Peardon
Trinity College Dublin
Total Publications: 64