Quantized electric multipole insulators

Benalcazar, WA; Bernevig, BA; Hughes, TL

Hughes, TL (reprint author), Univ Illinois, Dept Phys, Urbana, IL 61801 USA.; Hughes, TL (reprint author), Univ Illinois, Inst Condensed Matter Theory, Urbana, IL 61801 USA.

SCIENCE, 2017; 357 (6346): 61

Abstract

The Berry phase provides a modern formulation of electric polarization in crystals. We extend this concept to higher electricmultipole moments and det......

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