2 papers
physics.hist-ph2023
Haag as a How-To Theorem
David Freeborn, Marian Gilton, Chris Mitsch
Haag's theorem is a classic no-go theorem. It rigorously demonstrates there is a logical problem with the interaction picture (IP), one of the most widely used modeling tools in qu…
physics.hist-ph2022
How Haag-tied is QFT, really?
Chris Mitsch, Marian Gilton, David Freeborn
Haag's theorem cries out for explanation and critical assessment: it sounds the alarm that something is (perhaps) not right in one of the standard way of constructing interacting f…