Kilian, Eva;
Toroš, Marko;
Deppisch, Frank F;
Saakyan, Ruben;
Bose, Sougato;
(2023)
Requirements on quantum superpositions of macro-objects for sensing neutrinos.
Physical Review Research
, 5
(2)
, Article 023012. 10.1103/physrevresearch.5.023012.
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Abstract
We examine a macroscopic system in a quantum superposition of two spatially separated localized states as a detector for a stream of weakly interacting relativistic particles. We do this using the explicit example of neutrinos with MeV-scale energy scattering from a solid object via neutral-current neutrino-nucleus scattering. Presuming the (anti)neutrino source to be a nuclear fission reactor, we utilize the estimated flux and coherent elastic neutrino-nucleus cross section to constrain the spatial separation Δx and describe the temporal evolution of the sensing system. Particularly, we find that a potentially measurable relative phase between quantum superposed components is obtained for a single gram scale mass placed in a superposition of spatial components separated by 10−14m under sufficient cooling and background suppression.
| Type: | Article |
|---|---|
| Title: | Requirements on quantum superpositions of macro-objects for sensing neutrinos |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/physrevresearch.5.023012 |
| Publisher version: | https://doi.org/10.1103/PhysRevResearch.5.023012 |
| 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 UCL > Provost and Vice Provost Offices > UCL BEAMS 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 |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10168230 |
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