@inproceedings{Rovira:202539, author = "Rovira, Martí and Perry, Robert and Parreno, Assumpta", title = "{A Variational Approach to Quantum Field Theory}", doi = "10.22323/1.465.0036", booktitle = "Proceedings of 10th International Conference on Quarks and Nuclear Physics {\textemdash} PoS(QNP2024)", year = 2025, volume = "465", pages = "036" }