1992
DOI: 10.1007/bf02099011
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The CPT-theorem in two-dimensional theories of local observables

Abstract: Let Jί be a von Neumann algebra with cyclic and separating vector Ω, and let U(a) be a continuous unitary representation of R with positive generator and Ω as fixed point. If these unitaries induce for positive arguments endomorphisms of Jί then the modular group act as dilatations on the group of unitaries. Using this it will be shown that every theory of local observables in two dimensions, which is covariant under translations only, can be imbedded into a theory of local observables covariant under the whol… Show more

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Cited by 178 publications
(242 citation statements)
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“…A2) and A3) are abstract characterizations of M as an algebra of observables localized in W R [11,17]. It should be mentioned that the assumptions A1)-A3) put strict constraints on the algebraic structure of M. The following result has been found in [47,26].…”
Section: A3)mentioning
confidence: 91%
See 1 more Smart Citation
“…A2) and A3) are abstract characterizations of M as an algebra of observables localized in W R [11,17]. It should be mentioned that the assumptions A1)-A3) put strict constraints on the algebraic structure of M. The following result has been found in [47,26].…”
Section: A3)mentioning
confidence: 91%
“…Keeping this structure of M in mind, let us recall how a net O → A(O) of local algebras can be constructed from the data (M, U, H) [11,17].…”
Section: Lemma 21 Consider a Triple (M U H) Satisfying The Assumptmentioning
confidence: 99%
“…that we shall below describe in equations (6,7). We have used, only here, the notation udϕ ≡ ϕ(u) in order to provide resemblance with the classical context.…”
Section: O → A(o)mentioning
confidence: 99%
“…By Borchers theorem [5], ∆ it has the same commutation relations (1.13) as U (t) with T (a), thus e itL commutes with T (a). Therefore if…”
Section: Case Where Further Symmetries Are Presentmentioning
confidence: 97%