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Cavity quantum electrodynamics control of magnetic phases in twisted van der Waals heterostructures

Objective

To further increase performance and reduce energy consumption in technological devices, a new paradigm is needed exploiting quantum mechanical phenomena. An attractive route to enter this paradigm is by interfacing light and magnetic excitations in new optomagnetic devices, which ensures processing frequencies comparable with electronics and hold great promise for future memory, spintronics and quantum computing devices. This, however, requires a deeper understanding of strongly coupled light-matter systems and the interplay between magnetic, electronic, photonic and lattice excitations. A promising platform to explore exotic magnetic phenomena is magnetic van der Waals (vdW) materials, since the competition of anisotropy, quantum fluctuations and spin-orbit coupling make these materials prime candidates to host such states and susceptible to material engineering techniques. This can be exploited in cavity quantum electrodynamics (c-QED) and Moiré engineering to control the magnetic state. By combining c-QED with Moiré engineering, the goal of CavityMag is to construct schemes to control the magnetic state of vdW materials and to induce exotic magnetic phases. This will be achieved by developing state-of-the-art computational tools based on quantum electrodynamical density functional theory (QED-DFT) in combination with effective spin-photon models. This computational framework will be used to perform a systematic study of light-induced magnetic phases in twisted vdW materials, to gain a deeper understanding of how microscopic magnetic interactions can be modified, and to establish concrete protocols to control the macroscopic magnetic state. It will also be used to guide experimental efforts by identifying candidate materials and parameter regimes likely to host exotic states of great promise for the construction of new high performance and energy efficient technological devices.

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Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

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HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

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(opens in new window) HORIZON-MSCA-2022-PF-01

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Coordinator

UNIVERSIDAD DEL PAIS VASCO/ EUSKAL HERRIKO UNIBERTSITATEA
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.

€ 181 152,96
Address
BARRIO SARRIENA S N
48940 LEIOA
Spain

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Region
Noreste País Vasco Gipuzkoa
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.

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