Ellipsoidal Coulomb crystals in a linear radio-frequency trap
نویسندگان
چکیده
منابع مشابه
Characterization of ion Coulomb crystals in a linear Paul trap
K. Okada,1,* M. Wada,2 T. Takayanagi,1 S. Ohtani,3 and H. A. Schuessler4 1Department of Physics, Sophia University, 7-1 Kioicho, Chiyoda, Tokyo 102-8554, Japan 2Atomic Physics Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan 3Institute for Laser Science (ILS), University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo, 182-8585, Japan 4Department of Physics, Texas A&M Un...
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A structural transition for laser cooled ion Coulomb crystals in a linear Paul trap just above the stability limit of parametrically resonant excitation of bulk plasma modes has been observed. In contrast to the usual spheroidal shell structures present below the stability limit, the ions arrange in a "string-of-disks" configuration. The spheroidal envelopes of the string-of-disks structures ar...
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We report experiments on the stability of ion Coulomb crystals in a linear Paul trap with storage-ring-like confinement. The transverse dynamics of charged particles in a trap of this type is analogous to that of a fast beam traveling through a channel with periodic, magnetic alternating gradient confinement. The experimentally observed stability conditions for stationary crystals comply remark...
متن کاملEvaporative cooling in a radio-frequency trap
A theoretical investigation for implementing a scheme of forced evaporative cooling in radio-frequency rf adiabatic potentials is presented. Supposing the atoms to be trapped in a combination of a dc magnetic field and a rf field at frequency 1, the cooling procedure is facilitated using a second rf source at frequency 2. This second rf field produces a controlled coupling between the spin stat...
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ژورنال
عنوان ژورنال: Physics of Plasmas
سال: 2005
ISSN: 1070-664X,1089-7674
DOI: 10.1063/1.1976605