Objective
This project aims to investigate geon-type solutions in Einstein's theory of Gravitation. Geons are reminiscent of stars, consisting of self-trapped nonlinear gravitational waves, in some sense they are gravitational wave stars. A very important application of geons, provided they have good stability properties and sufficiently long lifetimes, is that they can provide a natural component for the mysterious dark matter content of the Universe without invoking unobserved new type of matter fields.
I plan to develop a new approach to construct geon-type solutions, which circumvents the formidable difficulties posed by Einstein’s equations without any obvious symmetry. The approach will be based on combining analytical methods (suitable perturbation theory, asymptotic analysis) and numerical ones (spectral methods in space and time). The main challenges are the following: the mathematical and numerical construction of geons by solving the gravitational field equations, the study of their stability, the computation of their lifetime, and the investigation of their consequences on our Universe.
The numerical construction of geon solutions will be made possible by the numerical code named Kadath, which has been developed recently by my proposed host researcher, P. Grandclément at Paris Observatory. The Marie Curie grant would make possible a two-year personalized training period, which would enable me to apply spectral methods professionally in General Relativity by using the state of the art program libraries on large computer clusters. The research collaboration in the multidisciplinary environment of Paris Observatory would considerably widen my research scope, and would present an important step in my research career in that I would be able to obtain a senior researcher position and be able to found a research group in my home country.
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: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
- natural sciences physical sciences astronomy observational astronomy gravitational waves
- natural sciences physical sciences astronomy astrophysics dark matter
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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-2013-IEF
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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
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.