Marshman, RJ;
Mazumdar, A;
Folman, R;
Bose, S;
(2022)
Constructing nano-object quantum superpositions with a Stern-Gerlach interferometer.
Physical Review Research
, 4
(2)
, Article 023087. 10.1103/PhysRevResearch.4.023087.
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Abstract
Probing quantum mechanics and quantum aspects of general relativity, along with the sensing and constraining of classical gravity, can all be enabled by unprecedented spatial sizes of superpositions of massive objects. In this paper, we show that there is a feasible setup sourced by realizable magnetic field gradients O(10-100)T m-1 to construct a large spatial superposition of O(10-4-10-8)m for O(10-17-10-14)kg masses within a time of up to 0.1-10 seconds. The scale of superpositions is unrestricted as long as quantum coherence can be maintained for a required amount of time.
| Type: | Article |
|---|---|
| Title: | Constructing nano-object quantum superpositions with a Stern-Gerlach interferometer |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevResearch.4.023087 |
| Publisher version: | https://doi.org/10.1103/PhysRevResearch.4.023087 |
| Language: | English |
| Additional information: | Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. |
| UCL classification: | UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy UCL > Provost and Vice Provost Offices > UCL BEAMS UCL |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10149761 |
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