Work Generation from Thermal Noise by Quantum Phase-Sensitive Observation

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F21%3A73607306" target="_blank" >RIV/61989592:15310/21:73607306 - isvavai.cz</a>
Result on the web
<a href="https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.127.040602" target="_blank" >https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.127.040602</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevLett.127.040602" target="_blank" >10.1103/PhysRevLett.127.040602</a>

Result language
angličtina
Original language name
Work Generation from Thermal Noise by Quantum Phase-Sensitive Observation
Original language description
We put forward the concept of work extraction from thermal noise by phase-sensitive (homodyne) measurements of the noisy input followed by (outcome-dependent) unitary manipulations of the postmeasured state. For optimized measurements, noise input with more than one quantum on average is shown to yield heat-to-work conversion with efficiency and power that grow with the mean number of input quanta, the efficiency and the inverse temperature of the detector. This protocol is shown to be advantageous compared to common models of information and heat engines.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10306 - Optics (including laser optics and quantum optics)

Project
<a href="/en/project/GA20-27994S" target="_blank" >GA20-27994S: Quantum information manipulation and thermodynamic processes with ultracold atoms</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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