Coulomb crystallization of highly charged ions

Schmöger, Lisa; Versolato, Oscar; Schwarz, M.; Kohnen, M.; Windberger, Alexander; Piest, B.; Feuchtenbeiner, S.; Pedregosa-Gutierrez, J.; Leopold, T.; Micke, P.; Hansen, A. K.; Baumann, T. M.; Drewsen, M.; Ullrich, J.; Schmidt, P. O.; Crespo López-Urrutia, J. R.

doi:10.1126/science.aaa2960

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Coulomb crystallization of highly charged ions

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Schmöger, Lisa
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;
Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany. ;

/persons/resource/persons54351

Versolato, Oscar
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;
Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany. ;

/persons/resource/persons31025

Schwarz, M.
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;
Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany. ;

/persons/resource/persons73204

Windberger, Alexander
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons104516

Piest, B.
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons129763

Feuchtenbeiner, S.
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons123093

Micke, P.
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;
Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany. ;

/persons/resource/persons30383

Crespo López-Urrutia, J. R.
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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http://www.sciencemag.org/content/347/6227/1233.full
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Citation

Schmöger, L., Versolato, O., Schwarz, M., Kohnen, M., Windberger, A., Piest, B., et al. (2015). Coulomb crystallization of highly charged ions. Science, 347(6227), 1233-1236. doi:10.1126/science.aaa2960.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0026-BDEE-2

Abstract

Control over the motional degrees of freedom of atoms, ions, and molecules in a field-free environment enables unrivalled measurement accuracies but has yet to be applied to highly charged ions (HCIs), which are of particular interest to future atomic clock designs and searches for physics beyond the Standard Model. Here, we report on the Coulomb crystallization of HCIs (specifically ⁴⁰Ar¹³⁺) produced in an electron beam ion trap and retrapped in a cryogenic linear radiofrequency trap by means of sympathetic motional cooling through Coulomb interaction with a directly laser-cooled ensemble of Be⁺ ions. We also demonstrate cooling of a single Ar¹³⁺ ion by a single Be⁺ ion—the prerequisite for quantum logic spectroscopy with a potential 10⁻¹⁹ accuracy level. Achieving a seven-orders-of-magnitude decrease in HCI temperature starting at megakelvin down to the millikelvin range removes the major obstacle for HCI investigation with high-precision laser spectroscopy.