Autonomous quantum thermodynamic machines
We investigate the dynamics of a quantum system consisting of a single spin coupled to an oscillator and sandwiched between two thermal baths at different temperatures. By means of an adequately designed Lindblad equation, it is shown that this device can function as a thermodynamic machine exhibiti...
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| Veröffentlicht in: | Physical review. E, Statistical, nonlinear, and soft matter physics Statistical, nonlinear, and soft matter physics, 2005-12, Vol.72 (6 Pt 2), p.066118-066118, Article 066118 |
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| container_end_page | 066118 |
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| container_issue | 6 Pt 2 |
| container_start_page | 066118 |
| container_title | Physical review. E, Statistical, nonlinear, and soft matter physics |
| container_volume | 72 |
| creator | Tonner, Friedemann Mahler, Günter |
| description | We investigate the dynamics of a quantum system consisting of a single spin coupled to an oscillator and sandwiched between two thermal baths at different temperatures. By means of an adequately designed Lindblad equation, it is shown that this device can function as a thermodynamic machine exhibiting Carnot-type cycles. For the present model, this means that when run as a heat engine, coherent motion of the oscillator is amplified. Contrary to the quantum computer, such a machine has a quantum as well as a classical limit. Away from the classical limit, it asymptotically approaches a stationary transport scenario. |
| doi_str_mv | 10.1103/PhysRevE.72.066118 |
| format | Article |
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| ispartof | Physical review. E, Statistical, nonlinear, and soft matter physics, 2005-12, Vol.72 (6 Pt 2), p.066118-066118, Article 066118 |
| issn | 1539-3755 1550-2376 |
| language | eng |
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| source | American Physical Society Journals |
| title | Autonomous quantum thermodynamic machines |
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