Lattice non-local chiral fermions
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Andrea Pelissetto
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Article
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1988
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Elsevier Science
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English
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We analyze the doubling problem for chiral fermions on a hypercubic lattice. We prove that hermitian and cubic invariant chiral Lagrangians always show spectrum doubling, even in the presence of non-local interactions. thus extending the previous theorem of Nielsen and Ninomiya. In the presence of