@inproceedings{Romatschke:2023Yf, author = "Romatschke, Paul", title = "{Negative Coupling $\phi^4$ on the Lattice}", doi = "10.22323/1.453.0367", booktitle = "Proceedings of The 40th International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE2023)", year = 2023, volume = "453", pages = "367" }