Relative acceleration noise mitigation for nanocrystal matter-wave interferometry: Applications to entangling masses via quantum gravity
| Autor: | Anupam Mazumdar, Ryan J. Marshman, Myungshik Kim, Marko Toroš, Thomas W. van de Kamp, Sougato Bose |
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| Přispěvatelé: | Cosmic Frontier, High-Energy Frontier |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
High Energy Physics - Theory
Gravity (chemistry) Physics Multidisciplinary FOS: Physical sciences General Relativity and Quantum Cosmology (gr-qc) 01 natural sciences General Relativity and Quantum Cosmology 010305 fluids & plasmas Acceleration 0103 physical sciences 010306 general physics Quantum Computer Science::Databases Physics Quantum Physics Science & Technology Quantum sensor Computational physics Interferometry Nanocrystal High Energy Physics - Theory (hep-th) Physical Sciences Quantum gravity Matter wave Quantum Physics (quant-ph) |
| Zdroj: | Physical Review Research, 3(2):023178. American Physical Society |
| ISSN: | 2643-1564 |
| Popis: | Matter wave interferometers with large momentum transfers, irrespective of specific implementations, will face a universal dephasing due to relative accelerations between the interferometric mass and the associated apparatus. Here we propose a solution that works even without actively tracking the relative accelerations: putting both the interfering mass and its associated apparatus in a freely falling capsule, so that the strongest inertial noise components vanish due to the equivalence principle. In this setting, we investigate two of the most important remaining noise sources: (a) the non-inertial jitter of the experimental setup and (b) the gravity-gradient noise. We show that the former can be reduced below desired values by appropriate pressures and temperatures, while the latter can be fully mitigated in a controlled environment. We finally apply the analysis to a recent proposal for testing the quantum nature of gravity [S. Bose et. al. Phys. Rev. Lett 119, 240401 (2017)] through the entanglement of two masses undergoing interferometry. We show that the relevant entanglement witnessing is feasible with achievable levels of relative acceleration noise. Comment: 16 pages, 5 figures; accepted for publication in Physical Review Research |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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