Dirac action on a lattice

Pietro Rossi, Ulli Wolff, Daniel Zwanziger

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We construct, in the style of Dirac, the square root of the lattice Laplacian. The resulting action is chiral invariant for zero mass. In four dimensions, fermions are packed 16 times more densely per gluon degree of freedom than in the Kogut-Susskind action. The naive continuum limit manifests a fourfold degeneracy.

    Original languageEnglish (US)
    Pages (from-to)2233-2235
    Number of pages3
    JournalPhysical Review D
    Volume30
    Issue number10
    DOIs
    StatePublished - 1984

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)

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