2022
DOI: 10.1088/1367-2630/ac55b3
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Sympathetic cooling schemes for separately trapped ions coupled via image currents

Abstract: Cooling of particles to mK-temperatures is essential for a variety of experiments with trapped charged particles. However, many species of interest lack suitable electronic transitions for direct laser cooling. We study theoretically the remote sympathetic cooling of a single proton with laser-cooled 9Be+ in a double-Penning-trap system. We investigate three different cooling schemes and find, based on analytical calculations and numerical simulations, that two of them are capable of achieving proton temperatu… Show more

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Cited by 12 publications
(1 citation statement)
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“…Alternatively, detectors resonant at two axial frequencies could be used. If the ions can be cooled to sub-kelvin temperatures, e.g., with a dilution refrigerator [20] or by sympathetic laser cooling [67], the SR noise and systematic SR shifts could be greatly reduced, but at the cost of greater experimental complexity. In the case of LIONTRAP, SR is somewhat less of an issue due to the lower magnetic field.…”
Section: Future Developmentsmentioning
confidence: 99%
“…Alternatively, detectors resonant at two axial frequencies could be used. If the ions can be cooled to sub-kelvin temperatures, e.g., with a dilution refrigerator [20] or by sympathetic laser cooling [67], the SR noise and systematic SR shifts could be greatly reduced, but at the cost of greater experimental complexity. In the case of LIONTRAP, SR is somewhat less of an issue due to the lower magnetic field.…”
Section: Future Developmentsmentioning
confidence: 99%