Objective
Most celestial bodies, ranging from planets to stars to black holes, gain mass during their lives by gravitationally attracting matter from their environments. This accretion process takes place via a disk-like structure around the gravitating object. Understanding the physical processes that determine the rate at which matter accretes and energy is radiated in these disks is vital for unraveling the formation, evolution, and fate of almost every type of object in the Universe. Despite the fact that magnetic fields have been known to play a fundamental role in accretion disks since the early 90’s, the majority of astrophysical questions that depend on the details of how disk accretion proceeds are still being addressed using the ’standard’ accretion disk model (developed in the early 70’s), where magnetic fields do not appear explicitly. This has produced a profound disconnect between observations, usually interpreted with the standard paradigm, and modern accretion disk theory and numerical simulations, where magnetic turbulence is crucial. The aim of my project is to develop what will become the new standard approach to accretion disks in astrophysics. The first part of the proposal addresses accretion disk physics and magnetized turbulence. I will build on my previous work with the goal of developing the theoretical framework that will incorporate magnetic fields into self-consistent disk models. The second part of the proposal concerns the dynamics of magnetic fields and related transport processes in the low-density regions of accretion disks, where the observed non-thermal radiation originates. By using a kinetic particle description of the plasma, I will be able to self-consistently calculate the non-thermal radiation spectra resulting from particle acceleration in the turbulent disk coronae. The proposed approach will allow us to address the most fundamental problems in modern astrophysics in a way that has no counterpart within the standard framework.
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 astronomy planetary sciences planets
- natural sciences physical sciences astronomy astrophysics black holes
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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.
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.
FP7-PEOPLE-2011-IIF
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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.
Coordinator
1165 KOBENHAVN
Denmark
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.