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Lachmann, M.D.; Ahlers, H.; Becker, D.; Dinkelaker, A.N.; Grosse, J. et al.: Ultracold atom interferometry in space. In: Nature Communications 12 (2021), 1317. DOI: https://doi.org/10.1038/s41467-021-21628-z
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Sum total of downloads: 85
| Abstract: | |
Bose-Einstein condensates (BECs) in free fall constitute a promising source for space-borne interferometry. Indeed, BECs enjoy a slowly expanding wave function, display a large spatial coherence and can be engineered and probed by optical techniques. Here we explore matter-wave fringes of multiple spinor components of a BEC released in free fall employing light-pulses to drive Bragg processes and induce phase imprinting on a sounding rocket. The prevailing microgravity played a crucial role in the observation of these interferences which not only reveal the spatial coherence of the condensates but also allow us to measure differential forces. Our work marks the beginning of matter-wave interferometry in space with future applications in fundamental physics, navigation and earth observation. | |
| License of this version: | CC BY 4.0 Unported |
| Document Type: | Article |
| Publishing status: | publishedVersion |
| Issue Date: | 2021 |
| Appears in Collections: | Fakultät für Mathematik und Physik |
distribution of downloads over the selected time period:
downloads by country:
| pos. | country | downloads | ||
|---|---|---|---|---|
| total | perc. | |||
| 1 |  |
Germany | 42 | 49.41% |
| 2 |  |
United States | 18 | 21.18% |
| 3 |  |
China | 15 | 17.65% |
| 4 |  |
Korea, Republic of | 2 | 2.35% |
| 5 |  |
Austria | 2 | 2.35% |
| 6 |  |
No geo information available | 1 | 1.18% |
| 7 |  |
Taiwan | 1 | 1.18% |
| 8 |  |
India | 1 | 1.18% |
| 9 |  |
Israel | 1 | 1.18% |
| 10 |  |
Belgium | 1 | 1.18% |
| other countries | 1 | 1.18% | ||
Further download figures and rankings:
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