BCS-BEC crossover in a $(t_{2g})^4$ Excitonic Magnet

18 Feb 2020 Kaushal Nitin Soni Rahul Nocera Alberto Alvarez Gonzalo Dagotto Elbio

The condensation of spin-orbit-induced excitons in $(t_{2g})^4$ electronic systems is attracting considerable attention. In the large Hubbard U limit, antiferromagnetism was proposed to emerge from the Bose-Einstein Condensation (BEC) of triplons ($J_{\textrm{eff}} = 1$)... (read more)

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  • STRONGLY CORRELATED ELECTRONS
  • MATERIALS SCIENCE