Observation of heavy spin-orbit excitons propagating in a nonmagnetic background: The case of ${(\mathrm{Ba},\mathrm{Sr})}_{2}{\mathrm{YIrO}}_{6}$

M. Kusch, V. M. Katukuri, N. A. Bogdanov, B. Büchner, T. Dey, D. V. Efremov, J. E. Hamann-Borrero, B. H. Kim, M. Krisch, A. Maljuk, M. Moretti Sala, S. Wurmehl, G. Aslan-Cansever, M. Sturza, L. Hozoi, J. van den Brink, and J. Geck
American Physical Society (APS)
Published 2018