On the intrinsic definition of local observables |
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Authors: | Roberto Conti |
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Institution: | (1) Dipartimento di Matematica, Università di Roma Tor Vergata , I-00133 Rome, Italy |
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Abstract: | In a theory of local field algebras satisfying the split property, we introduce an algebra generated by the local energy-momentum operators obtained from the canonical local implementation of translations, and possibly by the local charges operators. We discuss the relations of this algebra to the given algebra of local observables and take some steps toward the characterization of theories where they coincide. In the presence of spontaneously broken symmetries, we present a no-go theorem. |
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Keywords: | 81T05 |
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