Signature of spin-triplet exciton condensations in LaCoO${}_3$ at ultrahigh magnetic fields up to 600 T

Akihiko Ikeda, Yasuhiro H. Matsuda, Keisuke Sato +5

Bose-Einstein condensation of electron-hole pairs, exciton condensation, has been effortfully investigated since predicted 60 years ago. Irrefutable evidence has still been lacking…