On the unitarity of higher-dervative and nonlocal theories
arXiv:quant-ph/0612091 · doi:10.1088/1751-8113/40/38/008
Abstract
We consider two simple models of higher-derivative and nonlocal quantu systems.It is shown that, contrary to some claims found in literature, they can be made unitary.
arXiv comment8 pages, no figures
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- On the triviality of higher derivative thoeries
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