Work Generation from Thermal Noise by Quantum Phase-Sensitive Observation
arXiv:2106.09653 · doi:10.1103/PhysRevLett.127.040602
Abstract
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 post-measured 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, detector efficiency and its inverse temperature. This protocol is shown to be advantageous compared to common models of information and heat engines.
6+18 pages, Close to the accepted version in PRL
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Cited by in corpus (12)
- The battery capacity of energy-storing quantum systems
- Quantum Engines and Refrigerators
- Efficiently Fuelling a Quantum Engine with Incompatible Measurements
- Thermodynamic Signatures of Genuinely Multipartite Entanglement
- Work extraction from single-mode thermal noise by measurements: How important is information?
- Black-hole powered quantum coherent amplifier
- An atom-doped photon engine: Extracting mechanical work from a quantum system via radiation pressure
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- Enhancing the efficiency of quantum measurement-based engines with entangling measurements
- Ergotropic advantage in a measurement-fueled quantum heat engine
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