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Molecules as electronically open quantum systems

Project description

Electronic wave function theory for electronically open systems

To control chemistry, we must understand it, and this requires a quantum mechanical description. Current electronic wave function models assume that molecules have a fixed number of electrons, but molecules interacting with their environment are inherently electronically open systems. The ERC-funded OpenQuantum project aims to establish electronic wave function theory for such systems. It will develop advanced models within the open quantum system framework and create a validated computational toolbox. By integrating efficient wave function implementations with multiscale environment models, the project will enable the exploration of both ground- and excited-state properties. This comprehensive theoretical and computational framework will shed light on how enforcing open conditions may be used to modify or catalyse chemical reactions.

Objective

To control chemistry we must understand it, and this requires a fundamental quantum mechanical description. Today we have a highly mature state of accurate quantum chemical modeling of molecules. A central assumption in these models is that the molecules have a fixed number of electrons, i.e. that they are electronically closed. Recent experiments show great promise for probing chemical understanding and inducing chemical reactivity by passing a current of electrons through the molecule. Hence, quantum chemical models which can treat molecules as electronically open quantum systems are urgently needed.
The mission of OpenQuantum is to establish the field of electronic wave function theory for electronically open systems. I will establish high-level models within the open quantum system formalism and develop it into a validated computational toolbox. Computationally efficient and versatile wave function implementations connected to multiscale environment models provide tools for investigating ground and excited state properties under open conditions. I will provide a detailed theoretical and computational description of how molecules are modified through electric currents, and explore possibilities that emerge in chemistry through fundamental knowledge of molecules as open quantum systems. The new methodologies and insight that OpenQuantum will bring are crucial to push the underlying understanding of excited states and redox stability of open molecules toward the use of electric current to catalyze and modify chemical reactions.

Programme(s)

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Topic(s)

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Funding Scheme

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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-2024-COG

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Host institution

NORGES TEKNISK-NATURVITENSKAPELIGE UNIVERSITET NTNU
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.

€ 1 996 840,00
Address
HOGSKOLERINGEN 1
7491 Trondheim
Norway

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Region
Norge Trøndelag Trøndelag
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.

€ 1 996 840,00

Beneficiaries (1)

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