Propagating spinors on a tetrahedral spacetime lattice
classification
✦ hep-th
gr-qchep-latmath-phmath.MPquant-ph
keywords
latticepathspacetimeamplitudebendsderivediscretefaces
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We derive a discrete path integral for massless fermions on a hypercubic spacetime lattice with null faces. The amplitude for a path with N steps and B bends is +/- (1/2)^N (i/sqrt{3})^B.
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