When does a Quantum Field Theory describe particles? |
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| Authors: | R. Haag J. A. Swieca |
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| Affiliation: | (1) Department of Physics, University of Illinois, Urbana, Illinois |
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| Abstract: | We give a criterion which has to be satisfied in a Quantum Field Theory in order to allow a complete particle interpretation of the theory. The notion of  essentially localized states in Field Theory is re-examined.Supported in part by the National Science Foundation.On leave of absence from University of São Paulo, Brazil. |
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