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Sympathetic Cooling of Trapped Cd+ Isotopes

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arxiv quant-ph/0112084 v1 pith:D3HADM3F submitted 2001-12-14 quant-ph

Sympathetic Cooling of Trapped Cd+ Isotopes

classification quant-ph
keywords trappedisotopessinglesympatheticallytrapaddressingcomputercool
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We sympathetically cool a trapped 112Cd+ ion by directly Doppler-cooling a 114Cd+ ion in the same trap. This is the first demonstration of optically addressing a single trapped ion being sympathetically cooled by a different species ion. Notably, the experiment uses a single laser source, and does not require strong focusing. This paves the way toward reducing decoherence in an ion trap quantum computer based on Cd+ isotopes.

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