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Control and complexity in quantum statistical mechanics

Project description

Laying the foundations for describing thermodynamics laws at the quantum scale

Developing a comprehensive theory of thermodynamics at the quantum scale is entirely different than studying the laws of classical thermodynamics. Quantum system measurements induce a non-negligible back action and an energy cost comparable to the energy scale of the system. The EU-funded Cocoquest project will develop a formal theory describing control over quantum systems with fixed complexity that will underpin thermodynamic studies at the quantum scale. Researchers will also construct a thermodynamically self-contained description of the quantum measurement process to expose fundamental limitations on data acquisition.

Objective

Developing a comprehensive theory of thermodynamics at the quantum scale requires a fundamental change of perspective with regards to its classical counterpart. On the one hand, measuring a quantum system will induce a non-negligible back-action and an energy cost that is at least comparable to the energy scale of the system. On the other hand, controlling microscopic degrees of freedom and harnessing quantum effects provides novel opportunities with no classical counterpart. In light of these facts, control over different quantum features and quantum measurements themselves become valuable resources that need to be integrated into any self-contained theory of quantum thermodynamics.
In this project, we aim to address this grand challenge. First we will develop a formal theory that includes control over quantum systems with fixed complexity to incorporate these concepts into thermodynamic considerations at the quantum scale. Second, we will unveil the fundamental thermodynamic limitations on information acquisition by constructing a thermodynamically self-contained description of the quantum measurement process. Finally, we will carefully study current quantum technologies and, with the help of our own lab and experimental colleagues, we will devise experimental proposals and perform proof-of-principle experiments based on existing quantum technologies, to make sure that the theoretical considerations describe relevant features.

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Topic(s)

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HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

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(opens in new window) ERC-2021-COG

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Host institution

TECHNISCHE UNIVERSITAET WIEN
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 1 865 833,75
Address
KARLSPLATZ 13
1040 Wien
Austria

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Region
Ostösterreich Wien Wien
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 1 865 833,75

Beneficiaries (1)

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