Cross-process interference in single-cycle electron emission from metal needle tips
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914016947863552 |
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| author | Herzig, Anne Hommelhoff, Peter Goulielmakis, Eleftherios Fennel, Thomas Seiffert, Lennart |
| author_facet | Herzig, Anne Hommelhoff, Peter Goulielmakis, Eleftherios Fennel, Thomas Seiffert, Lennart |
| contents | Though interference from different emission channels enabled a deeper understanding of strong-field photoemission in atoms and molecules, it remained out of reach for solids. Here, we explore metal needle tips under single-cycle pulses via classical trajectories extended by quantum diffusion and interference and numerical solution of the time-dependent Schrödinger equation. We find interference of direct and backscattered electrons with fringe pattern encoding sub-cycle information on birth times and near-field driven acceleration dynamics, opening routes for ultrafast solid-state metrology. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_01524 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Cross-process interference in single-cycle electron emission from metal needle tips Herzig, Anne Hommelhoff, Peter Goulielmakis, Eleftherios Fennel, Thomas Seiffert, Lennart Optics Though interference from different emission channels enabled a deeper understanding of strong-field photoemission in atoms and molecules, it remained out of reach for solids. Here, we explore metal needle tips under single-cycle pulses via classical trajectories extended by quantum diffusion and interference and numerical solution of the time-dependent Schrödinger equation. We find interference of direct and backscattered electrons with fringe pattern encoding sub-cycle information on birth times and near-field driven acceleration dynamics, opening routes for ultrafast solid-state metrology. |
| title | Cross-process interference in single-cycle electron emission from metal needle tips |
| topic | Optics |
| url | https://arxiv.org/abs/2509.01524 |