Lattice non-local chiral fermions
Journal Article
·
· Ann. Phys. (N.Y.); (United States)
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 non-local derivatives we find either the breaking of Lorentz invariance or the dynamical generation through quantum corrections of spurious ghost states which make the chiral anomaly vanish and give a wrong contribution to the ..beta..-function. copyright 1988 Academic Press, Inc.
- Research Organization:
- Scuola Normale Superiore and INFN, Sezione di Pisa, Pisa 56100, Italy
- OSTI ID:
- 5262455
- Journal Information:
- Ann. Phys. (N.Y.); (United States), Journal Name: Ann. Phys. (N.Y.); (United States) Vol. 182:1; ISSN APNYA
- Country of Publication:
- United States
- Language:
- English
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