Objective
With densities reaching well beyond those that can be created in the laboratory, neutron stars provide a unique opportunity for studying the extremes of physics. The potential presence of exotic particles like hyperons and deconfined quarks, and the superfluid components, representing the largest known quantum mechanical systems, present a serious challenge for theoretical physics.
Neutron stars are potentially good emitters of gravitational radiation. This is particularly interesting as new detectors are becoming operational world wide, and one may hope to be able to use such waves as a probe of neutron star physics. Even though the supranuclear equation of state remains uncertain, the modelling that is essential for the extraction of useful information fro m observations has steadily improved over the past decades.
In particular, recent research moves beyond the standard perfect fluid approximation and considers effects of e.g. viscosity and large-scale superfluidity. The proposed project represents another important step in this direction as it addresses the rigidity of the neutron star crust from a fundamental point of view.
Our aim is to produce realistic neutron star models with solid crusts using the general relativistic theory of elasticity. Much effort will be devoted to the description of the elastic structure, represented by a metric tensor, of the different parts of the crust.
Our approach will make it possible to analyse several key questions:
- How is strain built up in a star as it cools/spins down?
- Can small pulsar glitches be caused by the release of this strain?
- How are various quasinormal-modes, in particular the so-called r-modes, damped by friction at the crust-core interface?
- Is the superfluid-crust interaction responsible for large pulsar glitches?
In addition, the project will help improve the templates that are essential for successful detection of the gravitational waves emitted from various mechanisms involving neutron stars.
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 relativistic mechanics
- natural sciences physical sciences astronomy observational astronomy gravitational waves
- natural sciences physical sciences astronomy stellar astronomy neutron stars
- natural sciences physical sciences theoretical physics particle physics quarks
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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.
FP6-2002-MOBILITY-5
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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
SOUTHAMPTON
United Kingdom
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.