Light Induced Orbital Magnetism in Metals via Inverse Faraday Effect
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arXiv
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| Auteurs principaux: | , |
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| Format: | Preprint |
| Publié: |
2023
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| _version_ | 1866929497365807104 |
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| author | Sharma, Priya Balatsky, Alexander V. |
| author_facet | Sharma, Priya Balatsky, Alexander V. |
| contents | We present a microscopic calculation of the inverse Faraday effect in metals. We derive a static local magnetic moment induced on the application of high-frequency light, using the Eilenberger formulation of quasiclassical theory. We include the effect of disorder and formulate a theory applicable across the entire temperature range, in the absence of external applied fields. For light-induced electric fields of amplitude $\sim 100 kV/cm$, the induced fields are large, $\sim 0.1 T$ for metallic Nb! The predictions of our theory agree with recent experimental and theoretical results [1]. An extension of this approach to superconductors would open a new route of inducing orbital magnetic field and potentially vortices in superconductors. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2303_01699 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Light Induced Orbital Magnetism in Metals via Inverse Faraday Effect Sharma, Priya Balatsky, Alexander V. Superconductivity We present a microscopic calculation of the inverse Faraday effect in metals. We derive a static local magnetic moment induced on the application of high-frequency light, using the Eilenberger formulation of quasiclassical theory. We include the effect of disorder and formulate a theory applicable across the entire temperature range, in the absence of external applied fields. For light-induced electric fields of amplitude $\sim 100 kV/cm$, the induced fields are large, $\sim 0.1 T$ for metallic Nb! The predictions of our theory agree with recent experimental and theoretical results [1]. An extension of this approach to superconductors would open a new route of inducing orbital magnetic field and potentially vortices in superconductors. |
| title | Light Induced Orbital Magnetism in Metals via Inverse Faraday Effect |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2303.01699 |