Project description
Exploring the potential of quantum structures
Quantum theory helps us understand the tiny particles that make up our world. These structures could be key to developing powerful quantum technologies. One important area of research is understanding quantum states and how they change over time. Scientists are also looking into how different quantum systems interact, especially when they are linked together. In this context, the ERC-funded TAtypic project aims to describe generic properties of typical quantum states, quantum maps and supermaps and to identify unusual, atypical structures with extreme features that could be useful for quantum computing and communication. By using advanced mathematical methods, the project will investigate how these structures behave and how they can be used in quantum information processing.
Objective
Quantum theory, confirmed in numerous sophisticated experiments, is widely believed to describe our world at the micro scale. It is thus legitimate to investigate, which structures are allowed by quantum theory, and which of them can potentially be relevant for developments of quantum technologies.
The basic notion of a quantum state a mathematical tool used to compute probabilities, characterizing the outcomes of a quantum measurement is of a primary importance. Furthermore, one analyses quantum maps, which describe how quantum states evolve in time, and quantum supermaps, representing evolution in the space of quantum maps. Assuming that the number of outcomes is finite, all these sets form convex bodies embedded in a real space of a suitable dimension. The case, if the physical system is composed of several subsystems, is of a special interest, as one can analyse correlations and entanglement between subsystems.
Main goal of this project is to investigate properties of typical quantum states, maps and supermaps, and to identify distinguished, atypical structures with extreme properties, useful for processing of quantum information. We will search for new constructions of absolutely maximally entangled multipartite states, which imply existence of quantum error correcting codes, novel schemes of mutually unbiased bases and symmetric informationally complete generalized quantum measurements, which offer optimal measurement accuracy. Moreover, we plan to analyze quantum supermaps with distinguished properties, and study, how these structures behave under decoherence, as quantum features become gradually suppressed.
To put all these structures of the same footing we are going to use generalizations of the Choi-Jamiokowski isomorphism, which relates quantum maps with quantum states of the extended system, and apply the theory of random matrices to elucidate differences between typical objects with generic features and the atypical ones with desired properties.
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)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.1 - European Research Council (ERC)
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Topic(s)
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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.
Funding Scheme
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.
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.
HORIZON-ERC - HORIZON ERC Grants
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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.
(opens in new window) ERC-2023-ADG
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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.
31-007 KRAKOW
Poland
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