SpIn-orbitronic QuAntum bits in Reconfigurable 2D-Oxides
This project aims to develop a scalable quantum computation platform using spin-orbitronics qubits in 2D oxide materials to enhance coherence and control over individual electron spins.
Projectdetails
Introduction
The quest for the realization of "fault tolerant" quantum computation is currently challenged by the extreme fragility of quantum effects with respect to noise and decoherence. Quantum control, quantum initialization, read-out, and enhanced coherence remain the main challenges that need to be addressed in a scalable multi-qubit platform.
Advancements in Spin-Orbitronics
In the last few years, there have been tremendous advancements in the field of spin-orbitronics, where the spin degrees of freedom are manipulated with electric fields through the spin-momentum locking of electrons.
Importance of Spin-Orbit Coupling
In spite of its importance, this property of materials characterized by large and tunable spin-orbit coupling (SOC), such as two-dimensional (2D) oxide materials, is not fully exploited in quantum computation.
Proposed Solution
Here, we propose spin-orbitronics qubits and their experimental realization in single and double quantum dots based on 2D electron gases (2DEGs) formed at SrTiO3-based oxide interfaces.
Characteristics of Oxide Interfaces
Due to their large spin-orbit splitting and gate-tunability, oxide interfaces are characterized by:
- An exceptional degree of spin-momentum locking
- A unique combination of high mobility and 2D magnetism
Advantages of the Proposed Platform
The exploitation of largely tunable SOC and spin-polarization in 2D systems, in combination with the tunability of the host materials, is very attractive for a novel quantum computation platform. This allows for:
- Coherent quantum control of individual electron spins using spin-to-charge interconversion.
- Practical implementation of an innovative quantum computation approach.
- Upscaling to a large number of qubits, going beyond one-dimensional interconnect schemes.
Conclusion
The proposed platform has all the characteristics for practical implementation, offering important fundamental and technological advantages based on spin-orbitronics.
Financiële details & Tijdlijn
Financiële details
Subsidiebedrag | € 3.717.545 |
Totale projectbegroting | € 3.717.545 |
Tijdlijn
Startdatum | 1-10-2023 |
Einddatum | 30-9-2027 |
Subsidiejaar | 2023 |
Partners & Locaties
Projectpartners
- CONSIGLIO NAZIONALE DELLE RICERCHEpenvoerder
- CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS
- DANMARKS TEKNISKE UNIVERSITET
- AKADEMIA GORNICZO-HUTNICZA IM. STANISLAWA STASZICA W KRAKOWIE
- CHALMERS TEKNISKA HOGSKOLA AB
- THALES
- RIBER SA
- UNIVERSITA DEGLI STUDI DI SALERNO
- UNIVERSITA DEGLI STUDI DI NAPOLI FEDERICO II
- ECOLE SUPERIEURE DE PHYSIQUE ET DECHIMIE INDUSTRIELLES DE LA VILLE DEPARIS
Land(en)
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