QUANTUM HARVEST SIGNED
Harvesting Non-Classical Fluctuations with Thermal Machines
Total Cost €
0EC-Contrib. €
0Partnership
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Project "QUANTUM HARVEST" data sheet
The following table provides information about the project.
| Coordinator |
LUNDS UNIVERSITET
Organization address contact info |
| Coordinator Country | Sweden [SE] |
| Total cost | 185˙857 € |
| EC max contribution | 185˙857 € (100%) |
| Programme |
1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility) |
| Code Call | H2020-MSCA-IF-2017 |
| Funding Scheme | MSCA-IF-EF-ST |
| Starting year | 2018 |
| Duration (year-month-day) | from 2018-07-01 to 2020-12-03 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | LUNDS UNIVERSITET | SE (LUND) | coordinator | 185˙857.00 |
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Project objective
The goal of this action is to contribute towards the development of thermal machines which harvest the thermal as well as quantum fluctuations that are present in nanoscopic devices. To this end, a better understanding of fluctuations in thermal machines is required. The present proposal therefore includes a thorough investigation of fluctuations in quantum thermal machines. A focus lies on the non-classical character of these fluctuations and on the extraction of work from quantum heat engines. The proposal is divided into four work packages. In order to certify non-classical behavior, the first work package develops appropriate witnesses of non-classicality. The fluctuations in thermal machines are then investigated in three complementary work packages. Work package two investigates the fluctuations of heat, work, and efficiency in heat engine models. Non-classical behavior is expected to manifest itself in these fluctuations. A novel, Keldysh type input-output formalism will be developed to go beyond the standard regime of weak coupling between machine and thermal reservoirs. Work package three focuses on fluctuations that arise due to the finite size of thermal reservoirs present in mesoscopic systems. To this end, a novel formalism based on stochastic path integrals and quantum master equations will be developed. Work package four finally focuses on the crossover from a classical to a quantum regime. To this end, thermodynamic processes such as the expansion of a gas are investigated. Explicitly taking into account how work is extracted from the system, back-action effects from the corresponding quantum measurement are investigated. Together, these work packages give a rather complete picture on different types of fluctuations in quantum thermal machines. This is expected to settle the open question of a quantum advantage in thermal machines and will likely lead to novel types of machines which harvest thermal as well as quantum fluctuations.
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2019 |
Rafael Sánchez, Peter Samuelsson, Patrick P. Potts Autonomous conversion of information to work in quantum dots published pages: , ISSN: 2643-1564, DOI: 10.1103/PhysRevResearch.1.033066 |
Physical Review Research 1/3 | 2020-03-06 |
| 2019 |
Patrick P. Potts, Peter Samuelsson Thermodynamic uncertainty relations including measurement and feedback published pages: , ISSN: 2470-0045, DOI: 10.1103/physreve.100.052137 |
Physical Review E 100/5 | 2020-03-06 |
| 2019 |
Potts, Patrick P. Introduction to Quantum Thermodynamics (Lecture Notes) published pages: , ISSN: , DOI: |
2020-03-06 | |
| 2019 |
Sara Kheradsoud, Nastaran Dashti, Maciej Misiorny, Patrick P. Potts, Janine Splettstoesser, Peter Samuelsson Power, Efficiency and Fluctuations in a Quantum Point Contact as Steady-State Thermoelectric Heat Engine published pages: 777, ISSN: 1099-4300, DOI: 10.3390/e21080777 |
Entropy 21/8 | 2020-03-06 |
| 2019 |
Patrick P. Potts Certifying Nonclassical Behavior for Negative Keldysh Quasiprobabilities published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.122.110401 |
Physical Review Letters 122/11 | 2020-03-06 |
| 2018 |
Patrick P. Potts, Peter Samuelsson Detailed Fluctuation Relation for Arbitrary Measurement and Feedback Schemes published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.121.210603 |
Physical Review Letters 121/21 | 2020-03-06 |
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