Expectations of Fermionic Fields with N Components |
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Authors: | Scoppola Benedetto Procacci Aldo |
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Institution: | (1) Dipartimento di Matematica, Universit? di Roma “Tor Vergata”, via della Ricerca Scientifica, I-00133 Roma, Italy; |
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Abstract: | In this Letter, we show with a concrete example that the behaviour in N independent components (flavours) of the expectation of fermionic fields can be different from that suggested by its expansion in terms of Feynman graphs. To prove this result, we study the asymptotic behaviour of a nonautonomous discrete time map. |
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