dorsal/arxiv
View SchemaTime domain deBroglie wave interferometry along a magnetic guide
| Authors | Saijun Wu, Edward J. Su, Mara Prentiss |
|---|---|
| Categories | |
| ArXiv ID | physics/0503130 |
| URL | https://arxiv.org/abs/physics/0503130 |
| DOI | 10.1140/epjd/e2005-00212-8 |
| Journal | Eur. Phys. J. D35: 111-118 (2005) |
Abstract
Time domain deBroglie wave interferometry [Cahn et al, Phys. Rev. Lett. 79, 784] is applied to Rb87 atoms in a magnetic guide. A standing wave light field is carefully aligned along the guiding direction of the magnetic trapping potential from a soft-ferromagnetic 4-foil structure. A sequence of two standing wave pulses is applied to the magnetically trapped atoms. The backscattered light at the atomic density grating revival time is collected and detected via a heterodyning technique. In addition to the observed recoil oscillations that fit the interferometer theory for atoms in free space, we observe a decay of the interferometer contrast on a millisecond time scale with unexpected millisecond-scale oscillations. We find that the oscillating decay is explained by a residual variation of the linear trapping potential along the standing wave direction.
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"abstract": "Time domain deBroglie wave interferometry [Cahn et al, Phys. Rev. Lett. 79,\n784] is applied to Rb87 atoms in a magnetic guide. A standing wave light field\nis carefully aligned along the guiding direction of the magnetic trapping\npotential from a soft-ferromagnetic 4-foil structure. A sequence of two\nstanding wave pulses is applied to the magnetically trapped atoms. The\nbackscattered light at the atomic density grating revival time is collected and\ndetected via a heterodyning technique. In addition to the observed recoil\noscillations that fit the interferometer theory for atoms in free space, we\nobserve a decay of the interferometer contrast on a millisecond time scale with\nunexpected millisecond-scale oscillations. We find that the oscillating decay\nis explained by a residual variation of the linear trapping potential along the\nstanding wave direction.",
"arxiv_id": "physics/0503130",
"authors": [
"Saijun Wu",
"Edward J. Su",
"Mara Prentiss"
],
"categories": [
"physics.atom-ph"
],
"doi": "10.1140/epjd/e2005-00212-8",
"journal_ref": "Eur. Phys. J. D35: 111-118 (2005)",
"title": "Time domain deBroglie wave interferometry along a magnetic guide",
"url": "https://arxiv.org/abs/physics/0503130"
},
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