| Issue |
Europhys. Lett.
Volume 44, Number 2, October II 1998
|
|
|---|---|---|
| Page(s) | 137 - 143 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i1998-00447-3 | |
| Published online | 01 September 2002 | |
Single and double interaction zone with comoving fields in Stern-Gerlach atom interferometry
Laboratoire de Physique des Lasers, Université Paris-Nord, Avenue J. B. Clément, 93430 Villetaneuse, France
Received:
1
April
1998
Accepted:
17
August
1998
We present two applications of the use, in Stern-Gerlach interferometry with metastable hydrogen atoms, of comoving magnetic fields, i.e. fields travelling at atomic velocites, which could allow us to reach the slow-atom domain. In the first application, atoms interact with a single extended zone of comoving B-field. A velocity coherent filtering effect is demonstrated and characterized. In the second one, atoms interact with a double zone of comoving B-field. This Ramsey's type configuration takes advantage of the fact that the sensitivity of the apparatus with respect to velocity changes is significantly enhanced.
PACS: 03.75.Dg – Atom and neutron interferometry / 32.60.+i – Zeeman and Stark effects
© EDP Sciences, 1998
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