A unified perspective of high-harmonic generation in gases and solids
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arXiv
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| Autores principales: | , , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866911111491616768 |
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| author | Thorpe, Adam Boroumand, Neda Bart, Graeme Wang, Lu Vampa, Giulio Brabec, Thomas |
| author_facet | Thorpe, Adam Boroumand, Neda Bart, Graeme Wang, Lu Vampa, Giulio Brabec, Thomas |
| contents | We present a quantum optical generalization of the quantum-matter Lewenstein model of high-harmonic generation (HHG) in gases that contains two channels corresponding to the inter- and intraband HHG in solids. Both channels can be presented as a semiclassical current multiplied by the vacuum field strength, resulting in a quantitative correction and a faster roll-off of the harmonic power with order than in previous theories. In gases, like in solids, intraband HHG dominates at low orders; the switchover harmonic corresponds to a specific photon energy, independent of pump wavelength. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_14212 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A unified perspective of high-harmonic generation in gases and solids Thorpe, Adam Boroumand, Neda Bart, Graeme Wang, Lu Vampa, Giulio Brabec, Thomas Atomic Physics We present a quantum optical generalization of the quantum-matter Lewenstein model of high-harmonic generation (HHG) in gases that contains two channels corresponding to the inter- and intraband HHG in solids. Both channels can be presented as a semiclassical current multiplied by the vacuum field strength, resulting in a quantitative correction and a faster roll-off of the harmonic power with order than in previous theories. In gases, like in solids, intraband HHG dominates at low orders; the switchover harmonic corresponds to a specific photon energy, independent of pump wavelength. |
| title | A unified perspective of high-harmonic generation in gases and solids |
| topic | Atomic Physics |
| url | https://arxiv.org/abs/2508.14212 |