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Erratum: "Intraband relaxation time in wurtzite InGaN/GaN quantum-well structures with (101-bar 0) crystal orientation" [Appl. Phys. Lett. 80, 2830 (2002)]

Microelectromagnets for trapping and manipulating ultracold atomic quantum gases

Appl. Phys. Lett. 81, 1146 (2002); doi:10.1063/1.1495086

Issue Date: 5 August 2002

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J. Fortágh, H. Ott, G. Schlotterbeck, and C. Zimmermann
Physikalisches Institut der Universität Tübingen, Auf der Morgenstelle 14, Tübingen, Germany

B. Herzog and D. Wharam
Institut für Angewandte Physik, Universität Tübingen, Auf der Morgenstelle 10, Tübingen, Germany
We describe the production and characterization of microelectromagnets made for trapping and manipulating atomic ensembles. The devices consist of seven fabricated parallel copper conductors 3 µm thick, 25 mm long, with widths ranging from 3 to 30 µm, and are produced by electroplating a sapphire substrate. Maximum current densities in the wires up to 6.5×106 A cm–2 are achieved in continuous mode operation. The device operates successfully at a base pressure of 10–11 mbar. The microstructures permit the realization of a variety of magnetic field configurations and, hence, provide enormous flexibility for controlling the motion and the shape of Bose–Einstein condensates. ©2002 American Institute of Physics.
History: Received 4 April 2002; accepted 30 May 2002
Permalink: http://link.aip.org/link/?APPLAB/81/1146/1
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KEYWORDS and PACS

Keywords
PACS
  • 39.25.+k
    Instrumentation and techniques for atomic and molecular physics Atom manipulation (scanning probe microscopy, laser cooling, etc.)
  • 07.55.Db
    Instruments, apparatus, and components common to several branches of physics and astronomy Magnetic instruments and components Generation of magnetic fields; magnets
  • 81.15.Pq
    Materials science Methods of deposition of films and coatings; film growth and epitaxy Electrodeposition, electroplating
  • 03.75.Fi
    Quantum mechanics, field theories, and special relativity Matter waves Phase coherent atomic ensembles; quantum condensation phenomena
  • YEAR: 2002

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ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (14)
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