Threshold in quantum correlated interference for a particle interacting with two scatterers
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arXiv
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866913468116893696 |
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| author | Kowalski, F. V. |
| author_facet | Kowalski, F. V. |
| contents | Correlated interference is calculated for a microscopic particle retro-reflecting from two spatially separated scatterers that are free to move, all three of which are treated as quantum bodies: the positions of the particle traversing this one-dimensional interferometer and those of the interferometer components are all uncertain. Interference in a measurement of only the particle is shown to disappear for microscopic yet appear for mesoscopic scatterers, contrary to that of a quantum-classical transition. A measurement of this threshold can verify quantum correlations in many-body systems by measuring only the retro-reflected microscopic particle. The decoherence of a mesoscopic scatterer is determined by this threshold without it having to traverse slits or beamsplitters. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_07473 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Threshold in quantum correlated interference for a particle interacting with two scatterers Kowalski, F. V. Quantum Physics Correlated interference is calculated for a microscopic particle retro-reflecting from two spatially separated scatterers that are free to move, all three of which are treated as quantum bodies: the positions of the particle traversing this one-dimensional interferometer and those of the interferometer components are all uncertain. Interference in a measurement of only the particle is shown to disappear for microscopic yet appear for mesoscopic scatterers, contrary to that of a quantum-classical transition. A measurement of this threshold can verify quantum correlations in many-body systems by measuring only the retro-reflected microscopic particle. The decoherence of a mesoscopic scatterer is determined by this threshold without it having to traverse slits or beamsplitters. |
| title | Threshold in quantum correlated interference for a particle interacting with two scatterers |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2408.07473 |