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25 April 2024 |
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Article overview
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Sensing electric and magnetic fields with Bose-Einstein Condensates | | S. Wildermuth
; S. Hofferberth
; I. Lesanovsky
; S. Groth
; I. Bar-Joseph
; P. Krueger
; J. Schmiedmayer
; | | Date: |
21 Dec 2005 | | Subject: | Other | | Abstract: | We discuss the application of Bose-Einstein condensates (BECs) as sensors for magnetic and electric fields. In an experimental demonstration we have brought one-dimensional BECs close to micro-fabricated wires on an atom chip and thereby reached a sensitivity to potential variations of ~10e-14eV at 3 micron spatial resolution. We demonstrate the versatility of this sensor by measuring a two-dimensional magnetic field map 10 micron above a 100-micron-wide wire. We show how the transverse current-density component inside the wire can be reconstructed from such maps. The field sensitivity in dependence on the spatial resolution is discussed and further improvements utilizing Feshbach resonances are outlined. | | Source: | arXiv, cond-mat/0512520 | | Services: | Forum | Review | PDF | Favorites | |
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