Matches in SemOpenAlex for { <https://semopenalex.org/work/W2050874073> ?p ?o ?g. }
- W2050874073 abstract "We introduce an expression for the ${mathbb{Z}}_{2}$ topological invariant of band insulators using the non-Abelian Berry connection. Our expression can identify the topological nature of a general band insulator without any of the gauge-fixing problems that plague the concrete implementation of previous invariants. This expression can be derived from the ``partner switching'' of the Wannier function center during time-reversal pumping and is thus equivalent to the ${Z}_{2}$ topological invariant proposed by Kane and Mele. Using our expression, we have recalculated the ${Z}_{2}$ topological index for several topological insulator material systems and obtained consistent results with the previous studies." @default.
- W2050874073 created "2016-06-24" @default.
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- W2050874073 date "2011-08-08" @default.
- W2050874073 modified "2023-10-17" @default.
- W2050874073 title "Equivalent expression of<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:msub><mml:mi mathvariant=double-struck>Z</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>topological invariant for band insulators using the non-Abelian Berry connection" @default.
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- W2050874073 doi "https://doi.org/10.1103/physrevb.84.075119" @default.
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