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Density matrix methods

Density matrix methods: explore 1 source-linked works published from 2025 to 2025, with original documents and citations.

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Sources: osti. Collection updated 2026-09-16. Counts describe this index, not the complete source archives.

DOE OSTI2025

Strong Kitaev Interaction in BaCo 2⁢ (AsO 4 ) 2

The inelastic neutron scattering results and their analysis unequivocally point to a dominant Kitaev interaction in the honeycomb-lattice cobaltate BaCo 2 ⁢(AsO 4 ) 2 . Our anisotropic-exchange model closely describes all available neutron scattering data in the material’s field-polarized phase. Furthermore, the density-matrix renormalization group results for our model are in close accord with the unusual double-zigzag magnetic order and the low in-plane saturation field of BaCo 2 ⁢(AsO 4 ) 2 .

75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND↗

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Work	Published	Source identifier	Source
Strong Kitaev Interaction in BaCo 2⁢ (AsO 4 ) 2	2025-08-07	SC0021221; AC02-76SF00515	osti

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