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We follow up on a suggestion by Adams and construct explicit domain wallfermion operators with staggered kernels. We compare different domain wallformulations, namely the standard construction as well as Borici's modified andChiu's optimal construction, utilizing both Wilson and staggered kernels. Inthe process, we generalize the staggered kernels to arbitrary even dimensionsand introduce both truncated and optimal staggered domain wall fermions. Somenumerical investigations are carried out in the (1+1)-dimensional setting ofthe Schwinger model, where we explore spectral properties of the bulk,effective and overlap Dirac operators in the free-field case, on quenchedthermalized gauge configurations and on smooth topological configurations. Wecompare different formulations using the effective mass, deviations fromnormality and violations of the Ginsparg-Wilson relation as measures ofchirality.

Spectral properties and chiral symmetry violations of (staggered) domain wall fermions in the Schwinger model