Margalit, Y;
Dobkowski, O;
Zhou, Z;
Amit, O;
Japha, Y;
Moukouri, S;
Rohrlich, D;
... Folman, R; + view all
(2021)
Realization of a complete Stern-Gerlach interferometer: Toward a test of quantum gravity.
Science Advances
, 7
(22)
, Article eabg2879. 10.1126/sciadv.abg2879.
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Abstract
The Stern-Gerlach effect, found a century ago, has become a paradigm of quantum mechanics. Unexpectedly, until recently, there has been little evidence that the original scheme with freely propagating atoms exposed to gradients from macroscopic magnets is a fully coherent quantum process. Several theoretical studies have explained why a Stern-Gerlach interferometer is a formidable challenge. Here, we provide a detailed account of the realization of a full-loop Stern-Gerlach interferometer for single atoms and use the acquired understanding to show how this setup may be used to realize an interferometer for macroscopic objects doped with a single spin. Such a realization would open the door to a new era of fundamental probes, including the realization of previously inaccessible tests at the interface of quantum mechanics and gravity.
| Type: | Article |
|---|---|
| Title: | Realization of a complete Stern-Gerlach interferometer: Toward a test of quantum gravity |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1126/sciadv.abg2879 |
| Publisher version: | https://doi.org/10.1126/sciadv.abg2879 |
| Language: | English |
| Additional information: | Copyright © 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution License 4.0 (CC BY). https://creativecommons.org/licenses/by/4.0/ |
| 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/10129630 |
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