Coherent many-body exciton in van der Waals antiferromagnet NiPS3

• Published in: Nature (London) Vol. 583; no. 7818; pp. 785 - 789
• Main Authors: Kang, Soonmin, Kim, Kangwon, Kim, Beom Hyun, Kim, Jonghyeon, Sim, Kyung Ik, Lee, Jae-Ung, Lee, Sungmin, Park, Kisoo, Yun, Seokhwan, Kim, Taehun, Nag, Abhishek, Walters, Andrew, Garcia-Fernandez, Mirian, Li, Jiemin, Chapon, Laurent, Zhou, Ke-Jin, Son, Young-Woo, Kim, Jae Hoon, Cheong, Hyeonsik, Park, Je-Geun
• Format: Journal Article
• Language: English
• Published: London Nature Publishing Group UK 30.07.2020; Nature Publishing Group
• Subjects: 140/133; 639/301/119/997; 639/766/119/995; Antiferromagnetism; Coherence; Condensates; Energy; Excitons; Holes (electron deficiencies); Humanities and Social Sciences; Inelastic scattering; Magnets; multidisciplinary; Optical lattices; Photoluminescence; Photons; Rice; Science; Science (multidisciplinary); Spectrum analysis; X-ray scattering

An exciton is the bosonic quasiparticle of electron–hole pairs bound by the Coulomb interaction 1 . Bose–Einstein condensation of this exciton state has long been the subject of speculation in various model systems 2 , 3 , and examples have been found more recently in optical lattices and two-dimens...