Giacomelli, GiovanniYanchuk, SerhiyPoliti, Antonio2021-11-232021-11-232021-11-19Giacomelli, G, Yanchuk, S & Politi, A 2021, 'Spaceless description of active optical media', Physical Review A, vol. 104, no. 5, 053521. https://doi.org/10.1103/PhysRevA.104.0535211050-2947Bibtex: PhysRevA.104.053521ORCID: /0000-0001-8688-1870/work/103686778ArXiv: http://arxiv.org/abs/2111.05367v1https://hdl.handle.net/2164/17547ACKNOWLEDGMENTS GG and AP are indebted to F.T. Arecchi for past illuminating discussions. SY was supported by the German Research Foundation DFG, Project 411803875.8518524engQC PhysicsQCJournal article10.1103/PhysRevA.104.053521https://arxiv.org/abs/2111.053671045