Dynamical Conductivity and Zero-Mode Anomaly in Honeycomb Lattices | Zendy

Tsuneya Ando | Zendy; Yisong Zheng | Zendy; Hidekatsu Suzuura | Zendy

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Dynamical Conductivity and Zero-Mode Anomaly in Honeycomb Lattices

Author(s) -

Tsuneya Ando,

Yisong Zheng,

Hidekatsu Suzuura

Publication year - 2002

Publication title -

journal of the physical society of japan

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.76

H-Index - 139

eISSN - 1347-4073

pISSN - 0031-9015

DOI - 10.1143/jpsj.71.1318

Subject(s) - zero (linguistics) , anomaly (physics) , honeycomb , conductivity , physics , condensed matter physics , zero point energy , zero temperature , statistical physics , quantum mechanics , mathematics , geometry , philosophy , linguistics

A topological anomaly present at zero energy is shown to give rise to a peculiar and singular behavior of the dynamic and static conductivity in two-dimensional honeycomb lattices. A calculation in a self-consistent Born approximation reveals that this singular dependence prevails although being somewhat smoothed out even if level broadening effects are taken into account.

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