Objective
Accretion disks around black holes power some of the most energetic phenomena in the Universe. They release energy not only through radiation and jets, but also through winds–dense, wide-angle outflows. Winds play a fundamental role in accretion theory as they regulate accretion, shape black hole feedback, and imprint distinctive spectral features over the disk emission. Recent observations from the XRISM mission have revealed that these winds are not smooth and steady, as long assumed, but fragmented, transient and multiphase. This discovery challenges all existing theoretical models, which treat winds as continuous flows and neglect their dynamic connection to the accretion disk. This project aims to build the next generation of models for black hole disk winds by coupling, for the first time, magnetic, radiative and thermal driving mechanisms in fully three-dimensional simulations that self-consistently include the disk-wind interaction. Using the state-of-the-art GPU-accelerated codes IDEFIX and AthenaK, I will explore three key regimes: (1) ultra-fast outflows in AGN, testing hybrid magneto-radiative launching; (2) multiphase winds in X-ray binaries, probing magneto-thermal driving; and (3) ultra-fast magnetic winds driving spectral state transition in X-ray binaries. By overcoming the main limitations of current models–isolated wind launching mechanisms and missing disk-wind coupling–this project will establish the physical origin of winds across the black hole mass scale and provide the theoretical foundation for interpreting data from XRISM, and the forthcoming NewAthena mission.
Fields of science (EuroSciVoc)
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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)
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)
MAIN PROGRAMME
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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-2026-STG
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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.
75794 Paris
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.