Hanbury Brown and Twiss interference of electrons in free space from independent needle tip sources
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arXiv
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| Format: | Preprint |
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2024
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| author | Classen, Anton Corrêa, Raul Fleischmann, Florian Semmler, Simon Pleinert, Marc-Oliver Hommelhoff, Peter von Zanthier, Joachim |
| author_facet | Classen, Anton Corrêa, Raul Fleischmann, Florian Semmler, Simon Pleinert, Marc-Oliver Hommelhoff, Peter von Zanthier, Joachim |
| contents | We investigate two-electron interference in free space using two laser-triggered needle tips as independent electron sources, a fermionic realisation of the landmark Hanbury Brown and Twiss interferometer. We calculate the two-electron interference pattern in a quantum path formalism taking into account the fermionic nature and the spin configuration of the electrons. We also estimate the Coulomb repulsion in the setup in a semiclassical approach. We find that antibunching resulting from Pauli's exclusion principle and repulsion stemming from the Coulomb interaction can be clearly distinguished. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_17088 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Hanbury Brown and Twiss interference of electrons in free space from independent needle tip sources Classen, Anton Corrêa, Raul Fleischmann, Florian Semmler, Simon Pleinert, Marc-Oliver Hommelhoff, Peter von Zanthier, Joachim Quantum Physics We investigate two-electron interference in free space using two laser-triggered needle tips as independent electron sources, a fermionic realisation of the landmark Hanbury Brown and Twiss interferometer. We calculate the two-electron interference pattern in a quantum path formalism taking into account the fermionic nature and the spin configuration of the electrons. We also estimate the Coulomb repulsion in the setup in a semiclassical approach. We find that antibunching resulting from Pauli's exclusion principle and repulsion stemming from the Coulomb interaction can be clearly distinguished. |
| title | Hanbury Brown and Twiss interference of electrons in free space from independent needle tip sources |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2401.17088 |