Quantum state tomography with muons
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arXiv
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| Auteurs principaux: | , , , , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866911048848637952 |
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| author | Gao, Leyun Ruzi, Alim Li, Qite Zhou, Chen Chen, Liangwen Zhang, Xueheng Sun, Zhiyu Li, Qiang |
| author_facet | Gao, Leyun Ruzi, Alim Li, Qite Zhou, Chen Chen, Liangwen Zhang, Xueheng Sun, Zhiyu Li, Qiang |
| contents | Entanglement is a fundamental pillar of quantum mechanics. Probing quantum entanglement and testing Bell inequality with muons can be a significant leap forward, as muon is arguably the only massive elementary particle that can be manipulated and detected over a wide range of energies, e.g., from approximately 0.3 to $10^2$ GeV, corresponding to velocities from 0.94 to nearly the speed of light. In this work, we present a realistic proposal and a comprehensive study of quantum entanglement in a state composed of different-flavor fermions in muon-electron scattering. The polarization density matrix for the muon-electron system is derived using a kinematic approach within the relativistic quantum field theory framework. Entanglement in the resulting muon-electron qubit system and the violation of Bell inequalities can be observed with a high event rate. This paves the way for performing quantum tomography with muons. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_12518 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Quantum state tomography with muons Gao, Leyun Ruzi, Alim Li, Qite Zhou, Chen Chen, Liangwen Zhang, Xueheng Sun, Zhiyu Li, Qiang High Energy Physics - Phenomenology High Energy Physics - Experiment Accelerator Physics Popular Physics Quantum Physics Entanglement is a fundamental pillar of quantum mechanics. Probing quantum entanglement and testing Bell inequality with muons can be a significant leap forward, as muon is arguably the only massive elementary particle that can be manipulated and detected over a wide range of energies, e.g., from approximately 0.3 to $10^2$ GeV, corresponding to velocities from 0.94 to nearly the speed of light. In this work, we present a realistic proposal and a comprehensive study of quantum entanglement in a state composed of different-flavor fermions in muon-electron scattering. The polarization density matrix for the muon-electron system is derived using a kinematic approach within the relativistic quantum field theory framework. Entanglement in the resulting muon-electron qubit system and the violation of Bell inequalities can be observed with a high event rate. This paves the way for performing quantum tomography with muons. |
| title | Quantum state tomography with muons |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment Accelerator Physics Popular Physics Quantum Physics |
| url | https://arxiv.org/abs/2411.12518 |