Resonance-enhanced optical nonlinearity in the Weyl semimetal TaAs

The second-order conductivity of a material, σ(2), relating current to the square of electric field, is nonzero only when inversion symmetry is broken, unlike the conventional linear conductivity. Second-order nonlinear optical responses are thus powerful tools in basic research as probes of symmetr...

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Veröffentlicht in:Physical review. B 2018-10, Vol.98 (16), p.165113, Article 165113
Hauptverfasser: Patankar, Shreyas, Wu, Liang, Lu, Baozhu, Rai, Manita, Tran, Jason D., Morimoto, T., Parker, Daniel E., Grushin, Adolfo G., Nair, N. L., Analytis, J. G., Moore, J. E., Orenstein, J., Torchinsky, D. H.
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Sprache:eng
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