2023
DOI: 10.21468/scipostphys.15.4.133
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Theoretical investigations on Kerr and Faraday rotations in topological multi-Weyl Semimetals

Supriyo Ghosh,
Ambaresh Sahoo,
Snehasish Nandy

Abstract: Motivated by the recent proposal of giant Kerr rotation in WSMs, we investigate the Kerr and Faraday rotations in time-reversal broken multi-Weyl semimetals (mWSMs) in the absence of an external magnetic field. Using the framework of Kubo response theory, we find that both the longitudinal and transverse components of the optical conductivity in mWSMs are modified by the topological charge (nn). Engendered by the optical Hall conductivity, we show in the thin film limit that, while the giant Kerr rotation and … Show more

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Cited by 7 publications
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References 66 publications
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