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School of Physical and Chemical Sciences

Multi-point observations of fundamental space plasma processes

Research Group: Astronomy Unit
Number of Students: 1
Length of Study in Years: 4 years
Full-time Project: yes

Project Description

We are excited to offer a unique PhD project opportunity for a talented and motivated student to investigate fundamental space plasma processes using advanced multipoint observational techniques. This project will contribute to our understanding of dynamic space environments such as the Earth's magnetosphere, the Sun’s corona, and planetary magnetospheres, and of space weather events hazardous to our modern society.

Project overview:

Magnetic reconnection and shock waves are fundamental processes in space plasmas that drive explosive events and energy conversion in various cosmic environments. Reconnection occurs when two plasma regions with different magnetic field orientations meet, often releasing enormous amounts of energy. Shock waves are ubiquitous throughout the universe: They range from supernova remnants to the bow shock that forms when the solar wind interacts with the Earth’s magnetic field.

We can study these processes in our own solar system in detail with scientific spacecraft. They host instruments that directly measure the electromagnetic fields and particles as the spacecraft fly through plasma structures. Space missions with multiple spacecraft (e.g., NASA’s THEMIS and MMS, ESA’s Cluster) allow us to infer the spatial structures related to the plasma processes, such as current sheets, and how they change in time. As space science is moving to missions with increasingly larger numbers of satellites (such as HelioSWARM, launch 2029), we need to use novel data analysis techniques and develop new diagnostic tools to refine our understanding of plasma dynamics.

Project aims:

You will investigate these fundamental plasma processes and the energy flow by leveraging multi-point spacecraft observations. You will use algorithmic approaches and generate computational reconstructions of the plasma structures. You will develop new analysis tools in preparation for future space missions. The project involves also comparison with theory and numerical simulations to understand the fundamental plasma physics and astrophysical context of the results.

Ideal candidate:

The ideal candidate has a strong background in physics, or a related field. They will have knowledge of plasma physics. Experience in working with space mission data and/or numerical plasma simulations is helpful. Strong computational skills (e.g., Python, MATLAB) and problem solving-skills are crucial.

What we offer at QMUL:

Work within a vibrant team of experts in space plasma physics, AI/ML and astrophysics. Gain expertise in data analysis, space plasma theory, and computational modelling, as well as skills in high-performance computing techniques applied to space data. This project will position you to contribute to groundbreaking research in space physics, with opportunities to publish in high-impact journals and present at international conferences.

Please contact me for further information.

Please see details of the application process at

https://www.qmul.ac.uk/spcs/astro/teaching/phd-programme/

Further reading:

Mistry et al., 2014. https://doi.org/10.1002/2014JA020465

Broeren et al, 2021. https://doi.org/10.3389/fspas.2021.727076

Broeren et al., 2024. https://doi.org/10.1029/2023EA003369

SPCS Academics: Dr Heli Hietala

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