Algebraic classical and quantum field theory on causal sets

The framework of perturbative algebraic quantum field theory (pAQFT) is used to construct QFT models on causal sets. We discuss various discretised wave operators, including a new proposal based on the idea of a "preferred past," which we also introduce, and show how they may be used to co...

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Veröffentlicht in:	Physical review. D 2020-03, Vol.101 (6), p.1, Article 065013
Hauptverfasser:	Dable-Heath, Edmund, Fewster, Christopher J., Rejzner, Kasia, Woods, Nick
Format:	Artikel
Sprache:	eng
Schlagworte:	Algebra Field theory Quantum field theory Quantum theory
Online-Zugang:	Volltext
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