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  Interstellar and Intergalactic random magnetic fields. (NUDATA01)


   Faculty of Science, Agriculture and Engineering

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  Dr Andrew Baggaley  No more applications being accepted  Funded PhD Project (Students Worldwide)

About the Project

Overview of the CDT

This project is being offered as part of the STFC Centre for Doctoral Training in Data Intensive Science, called NUdata, which is a collaboration between Northumbria and Newcastle Universities, STFC, and a portfolio of over 40 industrial partners, including SMEs, large/multinational companies, Government and not-for profit organisations, and international humanitarian organisations. Please visit https://research.northumbria.ac.uk/nudata/ for full information.

About the Project

Magnetic fields in astrophysical plasmas are strongly influenced by a random component generated by turbulence. This is especially true of magnetic fields in galaxy clusters and spiral galaxies (where a large-scale magnetic field is also present); random magnetic fields are believed to occur in the filaments of the large-scale cosmological structure. Magnetic fields affect gas flows in these objects, control thermal conductivity in the collisionless intergalactic plasmas and provides a powerful observational window in the radio range via synchrotron emission and Faraday rotation.

Whilst there are several mechanisms that could produce random magnetic fields, tangling of the large-scale interstellar field has not been studied in detail. To close the gap in our understanding we a seeking to recruit a postgraduate student to work on a project at the interface of astrophysics and data science.

Through a combination of analytic and numerical approaches, we will perform a comprehensive exploration of these mechanisms, and their interaction in spiral galaxies, galaxy clusters and the large-scale structure. A crucial aspect of the project will be a detailed, quantitative comparison of high-resolution simulations to observations of astrophysical magnetic fields. Both the numerical and observational studies of astrophysical magnetic fields have produced - and are producing - large volumes of highly diverse data from diverse sources. Hence, this project will also involve the use of novel statistics and Bayesian approaches to tackle “big data” problems. Candidates should have or be close to completing an undergraduate degree in applied mathematics, theoretical physics or a closely related subject.

Eligibility and How to Apply:

This studentship is available to home * and international applicants.

You must apply through the University’s online postgraduate application system.

You will need to:

  • Insert the programme code (8821F) in the programme of study section
  • Select ‘PhD Physics (FT) (Theoretical) as the programme of study
  • Insert the studentship code (e.g. NUDATA01) in the studentship/partnership reference field
  • attach a covering letter and CV. The covering letter must state the title of the studentship, quote reference code (e.g. NUDATA01) and state how your interests and experience relate to the project
  • Attach degree transcripts and certificates and, if English is not your first language, a copy of your English language qualifications.

Please note:

You must include the relevant advert reference/studentship code (e.g. NUDATA01) in your application.

The NUdata CDT is offering multiple potential PhD projects this year. If you are interested in more than one of the offered projects, then you can say this in the cover letter of your application and then either [1] you can specifically indicate the other projects you are interested in, or [2] state you are happy to be considered for other projects in general. If you are shortlisted, we will then contact you to discuss these other projects. You are strongly encouraged to do this.

You do not need to submit a research proposal for the proposed project, since the project is already defined by the supervisor. If you have your own research idea and wish to pursue that, then this is also possible - please indicate this on your application (if this is the case, then please include a research proposal of approximately 300 words).

Northumbria and Newcastle Universities take pride in, and value, the quality and diversity of our students and staff. We welcome applications from all members of the community. We offer all applicants full guidance on the application process and on details of the CDT. For informal enquiries, email Professor James McLaughlin (Northumbria: [Email Address Removed] ) or Professor Tamara Rogers (Newcastle: [Email Address Removed] ). Please contact the Principal Supervisor of the project(s) for project-specific enquiries.

Deadline for applications: Friday 29th April 2022

Start Date: 1st October 2022

Funding Notes

Home and International students (inc. EU) are welcome to apply. The studentship is available to Home and International students, and includes a full stipend at UKRI rates (for 2021/22 full time study, this is £ £16,062pa) and full tuition fees. Also, additional funding is included to cover research costs and local, national and international travel such as conferences.

We have a limited number of International awards available.

* please note: to be classed as a Home student, candidates must meet the following criteria:

  • Be a UK National (meeting residency requirements), or
  • have settled status, or
  • have pre-settled status (meeting residency requirements), or
  • have indefinite leave to remain or enter.

If a candidate does not meet the criteria above, they would be classed as an International student.

Further information about how UKRI classifies international fee status please see Annex B of https://www.ukri.org/wp-content/uploads/2022/04/UKRI-050422-TrainingGrantTermsConditionsGuidance-Apr2022.pdf

Applicants should be aware of the following additional costs that you may incur as these are not covered by the studentship.

Mathematics (25) Physics (29)

References

Recent publications by supervisors relevant to this project:
Astrophysical magnetic fields and nonlinear dynamo theory, Physics Reports 2005, 417, 1-209
Topological signatures of interstellar magnetic fields - I. Betti numbers and persistence diagrams, Monthly Notices of the Royal Astronomical Society 2018, 475(2), 1843–1858
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 About the Project