Non-equilibrium Berezinskii-Kosterlitz-Thouless transition in driven-dissipative condensates P. Comaron, I. Carusotto, M. H. Szymańska and N. P. Proukakis EPL, 133 1 (2021) 17002 Published online: 10 March 2021 DOI: 10.1209/0295-5075/133/17002