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Single ion heat engine with maximum efficiency at maximum power

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arxiv 1205.1362 v1 pith:LRV4LBOL submitted 2012-05-07 quant-ph cond-mat.mes-hallcond-mat.stat-mech

Single ion heat engine with maximum efficiency at maximum power

Obinna Abah , Johannes Rossnagel , Georg Jacob , Sebastian Deffner , Ferdinand Schmidt-Kaler , Kilian Singer , Eric Lutz This is my paper
classification quant-ph cond-mat.mes-hallcond-mat.stat-mech
keywords maximumefficiencyengineheatpowersingleabilityanalytically
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We propose an experimental scheme to realize a nano heat engine with a single ion. An Otto cycle may be implemented by confining the ion in a linear Paul trap with tapered geometry and coupling it to engineered laser reservoirs. The quantum efficiency at maximum power is analytically determined in various regimes. Moreover, Monte Carlo simulations of the engine are performed that demonstrate its feasibility and its ability to operate at maximum efficiency of 30% under realistic conditions.

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    An Al+ single-ion clock is evaluated at 1.6×10^{-18} systematic uncertainty with absolute frequency 1121015393207859.19(24) Hz and ratio to Sr clock of 2.611701431781462668(36).