Titlebook: Rigorous Quantum Field Theory; A Festschrift for Ja Anne Boutet Monvel,Detlef Buchholz,Ugo Moschella Book 2007 Birkhäuser Basel 2007 Minkow

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On the Relativistic KMS Condition for the ,(,), Model,The relativistic KMS condition introduced by Bros and Buchholz provides a link between quantum statistical mechanics and quantum field theory. We show that for the .(.). model at positive temperature, the two-point function for fields satisfies the relativistic KMS condition.

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DFR Perturbative Quantum Field Theory on Quantum Space Time, and Wick Reduction,We discuss the perturbative approach . to a quantum field theory with nonlocal self-interaction :.⋆···⋆., according to Doplicher, Fredenhagen and Roberts (DFR). In particular, we show that the Wick reduction of . time-ordered products of Wick monomials can be performed as usual, and we discuss a very simple Dyson diagram.

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