Baumgärtner, F;
Sewell, RJ;
Eriksson, S;
Llorente-Garcia, I;
Dingjan, J;
Cotter, JP;
Hinds, EA;
(2010)
Measuring Energy Differences by BEC Interferometry on a Chip.
Physical Review Letters
, 105
(24)
, Article 243003. 10.1103/PhysRevLett.105.243003.
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Abstract
We investigate the use of a Bose-Einstein condensate trapped on an atom chip for making interferometric measurements of small energy differences. We measure and explain the noise in the energy difference of the split condensates, which derives from statistical noise in the number difference. We also consider systematic errors. A leading effect is the variation of the rf magnetic field in the trap with distance from the wires on the chip surface. This can produce energy differences that are comparable with those due to gravity.
| Type: | Article |
|---|---|
| Title: | Measuring Energy Differences by BEC Interferometry on a Chip |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevLett.105.243003 |
| Publisher version: | http://dx.doi.org/10.1103/PhysRevLett.105.243003 |
| Language: | English |
| Additional information: | © 2010 The American Physical Society |
| 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 |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1394211 |
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