PhD student in Experimental Studies at DESIREE of Mutual Neutralisation Reactions relevant to Planetary Atmospheres

Ref. No. SU FV-1128-18 at the Department of Physics. Closing date: 24 April 2018.

The Department of Physics is located in the AlbaNova University Center and has approximately 240 employees, 250 students at undergraduate level and 90 graduate students. There are four research subjects within the postgraduate program: Physics, Theoretical Physics, Chemical Physics and Medical Radiation Physics. These subjects span over several research groups with different research activities. For information about the Department of Physics, see: www.fysik.su.se/english.

Project description
Subject: Physics or Chemical Physics.
Charge-, energy-, and mass transfer processes are fundamental in nature. They are important in essentially all chemical reactions, and it is critically important to understand the mechanisms that underlie these types of reactions and to know their rates. Such work has been severely hampered by difficulties to isolate atomic or molecular ions in single quantum states or to study collisions with molecules with many internal degrees of freedom. At DESIREE (www.desiree-infrastructure.com), a new and unique experimental facility located at Stockholm University, cutting-edge techniques are now available allowing studies of quantum-state resolved reactions with atomic and small molecular ions, and reactions with internally cold complex molecular ions. We will control internal ion excitation energies and collision energies from the meV to the keV range to mimic reactions in planetary atmospheres, shock waves, and combustion plasmas.

This project will undertake studies to support recently identified promising areas of research into atomic and molecular plasmas.

Air-plasmas related to both laser-ignition and plasma-assisted combustion.
A recently demonstrated technique of laser-induced ignition for an aircraft combustion system has attracted funding with the aim of both optimising and modelling the ignition process. However, modelling of the phenomena leading to avalanche and breakdown has so far proven to be a considerable challenge due to the unknown effects from oxygen anions, e.g. O2- and O-, during the avalanche phase. Data on the critical air ionization chemistry involving such oxygen ions, e.g. ionisation reducing processes like MN with the dominant cations, O+, NO+, etc, must be obtained and characterised if the chemistry of the pre-ionization processes are to be understood.

The successful candidate will undertake research conducted primarily using the DESIREE facility, a newly designated Swedish National Infrastructure Facility, and although predominantly experimental in nature, the project also involves using theoretical models of the mutual neutralisation reaction to model the experimental observations.

We would also like to make students aware of the possibility to apply to the open positions within any field of Experimental or Theoretical Physics, advertised by the Physics Department (reference number SU FV-1101-18 and SU FV-1102-18 respectively).

Education at the research level
A PhD education at Stockholm University is four years (48 months). The 4-year PhD program includes at least 3 years of research and at most one year of course work. The position may be extended by up to one year if up to 20 % teaching assistance or administration is included in the contract. The PhD student is employed (“doktorandanställning”) during the studies, with a monthly salary starting at SEK 25 300.

Qualification requirements
In order to meet the general entry requirements, the applicant must have completed a second-cycle degree, completed courses equivalent to at least 240 higher education credits, of which 60 credits must be in the second cycle, or have otherwise acquired equivalent knowledge in Sweden or elsewhere. In order to be accepted as a PhD student in Physics or Theoretical Physics a BSc in Physics (or equivalent) is required. The studies must include 60 credits of second-cycle courses in physics out of which at least 15 credits correspond to a second-cycle degree project. The degree project does not have to have been examined at the application deadline, but work corresponding to half a semester of full-time studies should have been devoted to it. For the subject Chemical Physics courses in chemistry may replace the required physics courses. The qualification requirements must be met by the deadline for applications.

Selection
The selection among the eligible candidates will be based on their capacity to benefit from the training. The successful applicant will be selected based on documented theoretical and experimental knowledge relevant for the area of study, knowledge of scientific theory and method, analytical skills, personal motivation and team working skills. Well-developed English language skills are required. The applicants are encouraged to provide supporting documents that substantiate qualifications, e.g., knowledge, skills, abilities and experience. References and interviews will be used to assess qualifications of the applicants. We seek a self-motivated candidate with good analytical abilities and skilled in English.

Admission Regulations for Doctoral Studies at Stockholm University are available at: www.su.se/rules.

Terms of employment
Only a person who will be or has already been admitted to a third-cycle programme may be appointed to a doctoral studentship. The term of the initial contract may not exceed one year. The employment may be extended for a maximum of two years at a time. However, the total period of employment may not exceed the equivalent of four years of full-time study. Doctoral students should primarily devote themselves to their own education, but may engage in teaching, research, and administration corresponding to a maximum of 20 % of a full-time position. Please note that admission decisions cannot be appealed. Stockholm University strives to be a workplace free from discrimination and with equal opportunities for all.

Contact
For more information, please contact Ass. Prof. Richard Thomas, [log in to unmask].
Further information about the position can be obtained from Prof. Per-Erik Tegnér, [log in to unmask].

Union representatives
Ingrid Lander (Saco-S), telephone: +46 708 16 26 64, [log in to unmask], and Lisbeth Häggberg (Fackförbundet ST and Lärarförbundet), telephone: +46 8 16 20 00 (operator), [log in to unmask] (SEKO), and PhD student representative, [log in to unmask].

Application
Apply for the PhD student position at Stockholm University's recruitment system by clicking the "Apply" button. It is the responsibility of the applicant to ensure that the application is complete in accordance with the instructions in the advertisement, and that it is submitted before the deadline.Please include the following information with your application

and, in addition, please include the following documents

The instructions for applicants are available at: Instructions – Applicants.

You are welcome to apply!
Stockholm University – our education and research produce results.

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