Circular Dichroism and Radial Hall Effects in Topological Materials

Abstract

Under symmetry breaking, a three-dimensional nodal-line semimetal can turn into a topological insulator or Weyl semimetal, accompanied by the generation of momentum-space Berry curvature. We develop a theory that unifies their circular dichroism and highlights the roles of Berry curvature distribution and light incident direction. Nontrivially, these phases exhibit distinct dichroic optical absorption and radial Hall effects, with characteristic scalings with photon energy and electric field. Our findings offer a new diagnosis tool for examining topological phases of matter.

arXiv comment6 pages, 4 figures

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Cited by in corpus (17)

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• Transverse shift in crossed Andreev reflection
• High-pressure lithium as an elemental topological semimetal
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• Low-Frequency Divergence of Circular Photomagnetic Effect in Topological Semimetals
• Anomalous circular phonon dichroism in transition metal dichalcogenides