@article{20576, author = {{Ma, Xuekai and Schumacher, Stefan}}, issn = {{0031-9007}}, journal = {{Physical Review Letters}}, number = {{22}}, publisher = {{APS}}, title = {{{Vortex Multistability and Bessel Vortices in Polariton Condensates.}}}, doi = {{10.1103/physrevlett.121.227404}}, volume = {{121}}, year = {{2018}}, }