Published February 2007 | Version v1
Report Open

Hypercubic smeared links for dynamical fermions

Creators

  • 1. Colorado Univ., Boulder, CO (United States). Dept. of Physics
  • 2. Deutsches Elektronen-Synchrotron (DESY), Zeuthen (Germany). John von Neumann-Inst. fuer Computing NIC

Description

We investigate a variant of hypercubic gauge link smearing where the SU(3) projection is replaced with a normalization to the corresponding unitary group. This smearing is differentiable and thus suitable for use in dynamical fermion simulations using molecular dynamics type algorithms. We show that this smearing is as efficient as projected hypercubic smearing in removing ultraviolet noise from the gauge fields. We test the normalized hypercubic smearing in dynamical improved (clover) Wilson and valence overlap simulations. (orig.)

Availability note (English)

Available from INIS in electronic form

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Additional details

Publishing Information

Imprint Pagination
18 p.
ISSN
0418-9833
Report number
DESY--07-025

INIS

Country of Publication
Germany
Country of Input or Organization
Germany
INIS RN
38037467
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Descriptors DEI
ALGORITHMS; COMPUTERIZED SIMULATION; DIRAC OPERATORS; EIGENVALUES; ENERGY SPECTRA; GAUGE INVARIANCE; LATTICE FIELD THEORY; MOLECULAR DYNAMICS METHOD; NOISE; PCAC THEORY; QUANTUM CHROMODYNAMICS; QUARKS; REST MASS; SU-2 GROUPS; SU-3 GROUPS; U GROUPS; UNIFIED GAUGE MODELS; VECTOR FIELDS
Descriptors DEC
CALCULATION METHODS; CONSTRUCTIVE FIELD THEORY; FERMIONS; FIELD THEORIES; INVARIANCE PRINCIPLES; LIE GROUPS; MASS; MATHEMATICAL LOGIC; MATHEMATICAL MODELS; MATHEMATICAL OPERATORS; PARTICLE MODELS; QUANTUM FIELD THEORY; QUANTUM OPERATORS; SIMULATION; SPECTRA; SU GROUPS; SYMMETRY GROUPS

Optional Information

Secondary number(s)
HEP-LAT--0702028