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Evaporative Cooling and Coherent Axial Oscillations of Highly Charged Ions in a Penning Trap
Stockholms universitet, Fysikum.
Stockholms universitet, Fysikum.
Stockholms universitet, Fysikum.
Stockholms universitet, Fysikum.
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2011 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 106, no 1, 013002- p.Article in journal (Refereed) Published
Abstract [en]

Externally, in an electron beam ion trap, generated Ar16+ ions were retrapped in a Penning trap and evaporatively cooled in their axial motion. The cooling was observed by a novel extraction technique based on the excitation of a coherent axial oscillation which yields short ion bunches of well-defined energies. The initial temperature of the ion cloud was decreased by a factor of more than 140 within 1 s, while the phase-space density of the coldest extracted ion pulses was increased by a factor of up to about 9.

Place, publisher, year, edition, pages
2011. Vol. 106, no 1, 013002- p.
National Category
Atom and Molecular Physics and Optics
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URN: urn:nbn:se:uu:diva-218622DOI: 10.1103/PhysRevLett.106.013002ISI: 000286749900008OAI: oai:DiVA.org:uu-218622DiVA: diva2:696365
Available from: 2011-04-27 Created: 2014-02-13 Last updated: 2017-12-06Bibliographically approved

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Hobein, MatthiasSolders, AndreasSchuch, Reinhold

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