construction and properties of a topological index for periodically driven time-reversal invariant 2d crystals

Clicks: 190
ID: 187764
2015
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Abstract
We present mathematical details of the construction of a topological invariant for periodically driven two-dimensional lattice systems with time-reversal symmetry and quasienergy gaps, which was proposed recently by some of us. The invariant is represented by a gap-dependent Z2-valued index that is simply related to the Kane–Mele invariants of quasienergy bands but contains an extra information. As a byproduct, we prove new expressions for the two-dimensional Kane–Mele invariant relating the latter to Wess–Zumino amplitudes and the boundary gauge anomaly.
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carpentier2015nuclearconstruction Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;D. Carpentier;P. Delplace;M. Fruchart;K. Gawędzki;C. Tauber
Journal biology and fertility of soils
Year 2015
DOI
10.1016/j.nuclphysb.2015.05.009
URL
http://www.sciencedirect.com/science/article/pii/S0550321315001698
Keywords
radioactivity atomic energy nuclear and particle physics

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