Electronic structure of the incommensurate metal Hg3- δAsF6
作者： J J M Buiting , M Weger , F M Mueller
DOI: 10.1088/0305-4608/14/10/013
关键词: Crystal momentum 、 Ion 、 Quantum mechanics 、 Metal 、 Condensed matter physics 、 Chemistry 、 Fermi surface 、 Electronic structure 、 Lattice (order)
摘要: The electronic structure of Hg3- delta AsF6 has been considered in a model which takes the incommensurability Hg linear chains with anion lattice into account. Despite strength potential, authors find that symmetry properties and selection rules play dominant role causing some matrix elements connecting states on Fermi surface to vanish, analogy conservation crystal momentum commensurate systems. By considering effects incommensurability, very good agreement is found experimental de Haas-van Alphen data. They that, paradoxically, orbits these materials exist absence long-range order only.
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