%0 Journal Article %T Ultrastrong coupling between nanoparticle plasmons and cavity photons at ambient conditions %A Baranov, Denis G. %A Munkhbat, Battulga %A Zhukova, Elena %A Bisht, Ankit %A Canales, Adriana %A Rousseaux, Benjamin %A Johansson, Göran %A Antosiewicz, Tomasz J. %A Shegai, Timur %J Nature Communications %V 11 %N 1 %D 2020-06-01 %I Nature Publishing Group UK %~ DeepDyve