PreprintCC BY 4.0arXiv
A gauge-invariant measure for lattice chiral fermions
Abstract
We nonperturbatively construct a gauge-invariant measure for overlap fermions on four-dimensional Euclidean lattices in a class of nonabelian chiral gauge theories that includes the Standard Model. On admissible gauge fields, comparing chiral projectors at successive lattice spacings yields an exponentially local current and establishes the global properties needed for Lüscher's reconstruction of a smooth, gauge-invariant fermion measure. This provides a candidate nonperturbative lattice definition of the Standard Model.
Related
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BibTeX
@misc{craig2026gaugeinvariant,
title = {{A gauge-invariant measure for lattice chiral fermions}},
author = {Nathaniel Craig},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.09093},
eprint = {2610.09093},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.09093},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - A gauge-invariant measure for lattice chiral fermions
AU - Nathaniel Craig
PY - 2026
DA - 2026/10/06
PB - arXiv
DO - 10.48550/arxiv.2610.09093
UR - https://arxiv.org/abs/2610.09093
AB - We nonperturbatively construct a gauge-invariant measure for overlap fermions on four-dimensional Euclidean lattices in a class of nonabelian chiral gauge theories that includes the Standard Model. On admissible gauge fields, comparing chiral projectors at successive lattice spacings yields an exponentially local current and establishes the global properties needed for Lüscher's reconstruction of a smooth, gauge-invariant fermion measure. This provides a candidate nonperturbative lattice definition of the Standard Model.
ER -