Why does quantum field theory in curved spacetime make sense? And what happens to the algebra of observables in the thermodynamic limit? (English) Zbl 07857572
Ge, Mo-Lin (ed.) et al., Dialogues between physics and mathematics. C. N. Yang at 100. Cham: Springer. 241-284 (2022).
Summary: This article aims to explain some of the basic facts about the questions raised in the title, without the technical details that are available in the literature. We provide a gentle introduction to some rather classical results about quantum field theory in curved spacetime and about the thermodynamic limit of quantum statistical mechanics. We also briefly explain that these results have an analog in the large \(N\) limit of gauge theory.
For the entire collection see [Zbl 1515.81018].
For the entire collection see [Zbl 1515.81018].
MSC:
| 81Txx | Quantum field theory; related classical field theories |
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