Grp Theory

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An MPSD theory team reports in Physical Review X that it has found no evidence of any universal topological signatures after performing the first ab initio investigation of high harmonic generation from topological insulators.  more

The MPSD has welcomed two new Humboldt Fellows to the Theory Department. Carlos Mauricio Bustamante and Hang Liu have each been awarded postdoctorate Humboldt Research Fellowships to carry out their own research at the Institute. more

The electronic properties of MoSe₂ are determined by the bonds of Mo and Se atoms, to which both elements contribute equally. But when exposed to ultraviolet light, the Mo signal clearly shows a signature dominated by collective processes while the Se signal suggests that the electrons act independently. more

An international research team has demonstrated unambiguously that the bulk crystal Ta₂NiSe₅ is not an excitonic insulator, settling the debate around the microscopic origin of symmetry breaking in the material. more