Mixed-integer Programming Representations of Linear Model Decision Tree Surrogates
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Ammari, Bashar↗
Engineering topics
Kim, Taehun
Publications and source records attributed to Kim, Taehun.
Bond-dependent anisotropy and magnon decay in cobalt-based Kitaev triangular antiferromagnet
Following tremendous success of the graphene-derived fundamental and applied research, the magnetic van der Waals materials that can be cleaved into monolayer two-dimensional atomic crystals have emerged as a new platform in the studies of low-dimensional physics and in the design of artificial heterostructures with novel properties. Because of that, the family of dihalides and trihalides of the 3d transition group receive a strong renewed interest. Together with our experimental collaborators, we have investigated the novel dynamical properties of one of such promising material CoI 2 , and demonstrated that spin excitations in it are prone to substantial breakdown and complex level repulsion, the important quantum effects whose theoretical understanding has been significantly advanced by our group in the last two decades. Both phenomena are dramatically revealed by experiments and verified by the theory in our joint study, published in Nature Physics. Altogether, our results pave the way toward a new research direction for the magnetic van der Waals materials.
36 MATERIALS SCIENCE↗