Conserved Non-Singlet Charges for Staggered Fermion Hamiltonian in 3+1 Dimensions
Abstract
We study conserved charges of the staggered fermion Hamiltonian in 3+1 dimensions. By decomposing staggered fermions into Majorana components and exploiting lattice translation symmetries, we construct a set of conserved non-singlet charges. We analyze their algebra andshow that, although the charges exhibit nontrivial non-commutativity on the lattice, they generate axial SU(2)L SU(2)R transformations for low-energy degrees of freedom in the continuum limit. Possible implications for anomalies are discussed.
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