Objective
In Superconductor/Ferromagnet (S/F) bilayer and F/S/F/S/F multi-layer structures with ferromagnets with non- collinear magnetizations of the F layers, Fominov and Volkov [1, 2] have predicted that a triplet component (i.e. Cooper pairs with electron spins pointing in the same direction) generated artificially. This effect occurs at angles where the magnetization of the F layers is no parallel to each other. In addition to the realization of the triplet state in these types of S/F multi-layers, there is also the prediction of a transition from 0 to  phase shift between neighbouring S layers.
The possibility of switching between 0 and Â- junctions opens a whole new range of applications in super-conducting devices based on  triplet -junctions. The aim of the proposed research is to investigate these types of structures for different angles of magnetization of the F layers and verify the predicted induced triplet state superconductivity. Triplet  junction research is a very promising field with new applications in the field of super-conducting devices and quantum computing. The project here presented gives the possibility to realise these junctions with triplet pairing. A device which can switch from 0 to  junctions and from singlet to triplet state super-conductivity by applying external field would exhibit a functionality that is not possible using current S/F (singlet based)  -junctions. Finally we have designed an experiment to investigate non- locality of cooper pairs.
The main idea is to share the two electrons of a Cooper pair in two different magnetic domains and measure the Josephson current for the parallel and antiparallel configurations. We expect the Josephson critical current to be zero in the parallel configuration, and finite in the anti parallel one. [1] Ya. V. Fominov, A.A. Golubov, and M. Yu. Kupriyanov. JETP Lett. 77, No 9, 510, (2003) [2] A. F. Volkov, F.S. Bergeret, and K. B. Efetov, Phys. Rev. Lett. 90, 117006 (2003)
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences physical sciences condensed matter physics quasiparticles
- engineering and technology electrical engineering, electronic engineering, information engineering electronic engineering computer hardware quantum computers
- natural sciences physical sciences electromagnetism and electronics superconductivity
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
FP6-2002-MOBILITY-5
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
France
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.