The Department of Physics is located in the AlbaNova University Center and has approximately 240 employees, 250 students at undergraduate level and 70 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: The Department of Physics.
Subject: Theoretical Physics
We are looking for a PhD candidate to contribute to the development of theoretical methods for studying reactive charge-transfer processes. When oppositely charged ions collide, the resulting dynamics cannot be fully described within the Born-Oppenheimer approximation. In collisions involving molecular ions, not only does charge transfer occur, but molecular bonds may also break or form. These processes are crucial for understanding how molecules are created and destroyed in the interstellar medium, yet our current knowledge of them remains limited.
The goal of this project is to develop both fully quantum mechanical and semi-classical methods to study these types of processes. One part of the project focuses on relatively simple molecular systems, where potential energy surfaces and non-adiabatic couplings can be computed ab initio, allowing for a quantum mechanical description of the scattering process. The other part of the project concerns collisions between complex systems, where a semi-classical description of charge transfer is combined with classical molecular dynamics simulations.
The theoretical studies will be carried out in close collaboration with the experimental research conducted at DESIREE at Stockholm University. DESIREE is a double electrostatic ion-storage ring designed for studying collision processes between oppositely charged ions. Through the integration of theory and experiment, we aim to achieve a deeper understanding of these fundamental processes.
In order to be admitted to postgraduate education, the applicant must have the general and specific entry requirements. The qualification requirements must be met by the deadline for applications.
You meet general entry requirements if you have completed a second-cycle degree, or 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.
Specific entry requirements. 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 subject Medical Radiation Physics requires a second-cycle degree project of 30 credits in the subject area, or with 60 credits of physics, a second-cycle degree project of 30 credits in another subject area.
In addition, proficiency in English language, equivalent to English B in Swedish high school, is required, or
The selection among the eligible candidates will be based on their capacity to benefit from the training. The following criteria will be used to assess this capacity:
Admission Regulations for Doctoral Studies at Stockholm University.
We offer a fixed-term employment as a doctoral student according to Chapter 5 of the Higher Education Ordinance (1993:100). The period of employment may not be longer than what corresponds to full-time doctoral education for four years. As a doctoral student, you should primarily devote yourself to your own doctoral education, but the employment may include work with education, research and administration to a limited extent (maximum 20 %).
A new employment as a doctoral student is for a maximum of one year, the employment is then renewed for a maximum of two years at a time.
Stockholm University strives to be a workplace free from discrimination and with equal opportunities for all.
For more information about the project, please contact Prof. Åsa Larson, aasal@fysik.su.se.
For information about the employment Prof. Michael Odelius, odelius@fysik.su.se, who can also forward questions to the PhD student council at Fysikum.
Apply for the PhD student position at Stockholm University's recruitment system. Attach a personal letter and CV as well as the attachments requested in the application form. It is the responsibility of the applicant to ensure that the application is complete in accordance with the instructions in the job advertisement, and that it is submitted before the deadline.
The instructions for applicants are available at: How to apply for a position.
Type of employment | Temporary position |
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Contract type | Full time |
Salary | Fixed salary |
Number of positions | 1 |
Full-time equivalent | 100 % |
City | Stockholm |
County | Stockholms län |
Country | Sweden |
Reference number | SU FV-1057-25 |
Union representative |
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Published | 01.Apr.2025 |
Last application date | 22.Apr.2025 11:59 PM CEST |