Quantum optomechanical piston engines powered by heat

Mari, Andrea; Farace, Alessandro; Giovannetti, Vittorio

doi:10.1088/0953-4075/48/17/175501

Cited by 64 publications

(94 citation statements)

References 70 publications

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“…resembling the results (20), (21) in the limit N ≫ 1. The summand 1 in the nominator of (25) reflects the fact that the piston itself, treated microscopically as a Brownian particle, performs average work on its surroundings.…”

Section: B the Piston As A Brownian Particlesupporting

confidence: 84%

“…It will be therefore natural to think about physical connection between quantum optics and classical thermodynamics mediated by mechanical systems. Theoretical thoughts about it and planning of future experiments are stimulated by recent fast progress in quantum optomechanics and many discussions about quantum thermodynamics in this context [19][20][21][22][23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

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Extracting work from quantum states of radiation

2016

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Quantum optomechanics opens a possibility to mediate a physical connection of quantum optics and classical thermodynamics. We propose and theoretically analyze a one-way chain starting from various quantum states of radiation. In the chain, the radiation state is first ideally swapped to sufficiently large mechanical oscillator (membrane). Then the membrane mechanically pushes a classical almost mass-less piston, which is pressing a gas in a small container. As a result we observe strongly nonlinear and nonmonotonic transfer of the energy stored in classical and quantum uncertainty of radiation to mechanical work. The amount of work and even its sign depends strongly on the uncertainty of the radiation state. Our theoretical prediction would stimulate an experimental proposals for such optomechanical connection to thermodynamics.

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Section: B the Piston As A Brownian Particlesupporting

confidence: 84%

Section: Introductionmentioning

confidence: 99%

Extracting work from quantum states of radiation

2016

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“…2(b)]. Recent theoretical proposals in optomechanics utilize a similar mechanism to control the coupling between an optical resonator and a heat source [36][37][38].…”

mentioning

confidence: 99%

Mechanical Autonomous Stochastic Heat Engine

et al. 2016

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Stochastic heat engines are devices that generate work from random thermal motion using a small number of highly fluctuating degrees of freedom. Proposals for such devices have existed for more than a century and include the Maxwell demon and the Feynman ratchet. Only recently have they been demonstrated experimentally, using, e.g., thermal cycles implemented in optical traps. However, recent experimental demonstrations of classical stochastic heat engines are nonautonomous, since they require an external control system that prescribes a heating and cooling cycle and consume more energy than they produce. We present a heat engine consisting of three coupled mechanical resonators (two ribbons and a cantilever) subject to a stochastic drive. The engine uses geometric nonlinearities in the resonating ribbons to autonomously convert a random excitation into a low-entropy, nonpassive oscillation of the cantilever. The engine presents the anomalous heat transport property of negative thermal conductivity, consisting in the ability to passively transfer energy from a cold reservoir to a hot reservoir. DOI: 10.1103/PhysRevLett.117.010602 Thermodynamics in low-dimensional systems far from equilibrium is not well understood, to the point that essential quantities such as work [1] or entropy [2] do not have universally valid definitions in such systems. Formulating a physical theory for thermal processes in low-dimensional systems is the subject of stochastic thermodynamics [3], an emergent field that has resulted in the discovery of a variety of microscopic heat engines [4][5][6][7][8][9][10][11][12] and fluctuation theorems [13][14][15][16], and has provided new insights on the connection between information and energy [5,[17][18][19][20]. A central problem in stochastic thermodynamics is the construction and analysis of stochastic heat engines, the low-dimensional analogs of conventional thermal machines. A stochastic heat engine is a low-dimensional device that operates between two thermal baths at different temperatures, and is able to produce work while suppressing the randomness inherent in thermal motion [1,[4][5][6][7][21][22][23]. Thermal engine operation is characterized by the presence of nonpassive states of motion, which have lower entropy (for the same energy) than equilibrium states [24,25] and therefore allow the extraction of energy without an associated entropy flow [1]. The interest in stochastic heat machines is motivated by the desire to understand energy conversion processes at the fundamental level. This understanding, coupled with modern nanofabrication techniques, is expected to result in more efficient and powerful thermal machines.The concept of the stochastic heat engine dates back to the classical thought experiments of the Maxwell demon [18,26] and the Feynman ratchet [27,28]. Only very recently have working experimental realizations of the stochastic heat engine been reported on [4][5][6][7][8]. The bulk of these experimental realizations is based on the manipulation of a particle in an o...

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“…This development has benefited in particular from emerging experimental technologies in AMO and NEMS systems, as evidenced in particular by the single ion heat engine theoretically proposed [1] and experimentally demonstrated [2]. Additional approaches being considered involve spin systems [3,4], qubit systems [5], ultracold atoms [6], cavity-assisted atom-light systems [7], nanomechanical resonators [8], and optomechanical systems [9][10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Deep-subwavelength lithography via graphene plasmons

2017

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We propose a realization of a quantum heat engine in a hybrid microwave-optomechanical system that is the analog of a classical straight-twin engine. It exploits a pair of polariton modes that operate as out-of-phase quantum Otto cycles. A third polariton mode that is essential in the coupling of the optical and microwave fields is maintained in a quasi-dark mode to suppress disturbances from the mechanical noise. We also find that the fluctuations in the contributions to the total work from the two polariton modes are characterized by quantum correlations that generally lead to a reduction in the extractable work compared to its classical version.

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Quantum optomechanical piston engines powered by heat

Cited by 64 publications

References 70 publications

Extracting work from quantum states of radiation

Extracting work from quantum states of radiation

Mechanical Autonomous Stochastic Heat Engine

Deep-subwavelength lithography via graphene plasmons

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