@article{articleeef5f729, title = {Collective multimode vacuum rabi splitting}, author = {Guerin, W. and Espirito Santo, Tiago Santiago do and Weiss, P. and Cipris, A. and Schachenmayer, J. and Kaiser, R. and Bachelard, Romain}, year = {2019}, doi = {10.1103/PhysRevLett.123.243401}, journal = {Physical Review Letters} }