Electric multipole moments, topological multipole moment pumping, and chiral hinge states in crystalline insulators
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DOI: 10.1103/physrevb.96.245115
Abstract: We extend the theory of dipole moments in crystalline insulators to higher multipole moments. In this paper, we expand in great detail the theory presented in Ref. 1, and extend it to cover associated topological… read more here.
Keywords: crystalline insulators; multipole moments; chiral hinge; electric multipole ... See more keywords