Exchange interactions, Jahn-Teller coupling, and multipole orders in pseudospin one-half 5d^{2} Mott insulators
We develop a microscopic theory of multipole interactions and orderings in 5d^{2} transition metal ion compounds. In a cubic environment, the ground state of 5d^{2} ions is a non-Kramers E_{g} doublet, which is nonmagnetic but hosts quadrupole and octupole moments. We derive low-energy pseudospin on...
Main Authors: | Giniyat Khaliullin, Derek Churchill, P. Peter Stavropoulos, Hae-Young Kee |
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Format: | Article |
Language: | English |
Published: |
American Physical Society
2021-08-01
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Series: | Physical Review Research |
Online Access: | http://doi.org/10.1103/PhysRevResearch.3.033163 |
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