Overview
The Paul Scherrer Institute PSI is the largest research institute for natural and engineering sciences within Switzerland. We perform cutting-edge research in the fields of future technologies, energy and climate, health innovation and fundamentals of nature. By performing fundamental and applied research, we work on sustainable solutions for major challenges facing society, science and economy. PSI is committed to the training of future generations. Therefore, about one quarter of our staff are post-docs, post-graduates or apprentices. Altogether, PSI employs 2300 people.
The Electron Beam Instrumentation Group develops instruments that measure the properties of electron beams and engages in advanced accelerator research. Recently, we started developing and applying multiphysics and particle-in-cell (PIC) simulation tools to optimize the design and performance of plasma-based particle acceleration and beam manipulation systems. In this context, we are looking for a
Responsibilities
* You will contribute to the development and optimization of plasma-based beam manipulation devices, with a focus on Active Plasma Lenses (APLs).
* The work will be primarily computational in nature, with two main simulation directions available depending on your background and interests.
* Direction 1 — multiphysics simulations, including CFD studies to optimize neutral gas distribution within plasma discharge capillaries, acoustic analyses aimed at achieving greater control over the transverse gas density profile, and potentially simulations of plasma arc formation.
* Direction 2 — development of a PIC-based (Particle In Cell) simulation framework using existing codes such as FBPIC, Smilei, or WarpX to study and minimize beam-plasma wakefield effects during beam propagation through APL devices, including systematic parameter scans to identify optimal operating conditions for beam quality preservation.
* Beyond simulations, depending on progress and interest, you may contribute to the development of the plasma discharge experimental apparatus and/or participate in experimental measurement campaigns.
* This internship provides valuable experience in a research laboratory environment and offers potential to develop into a Master’s thesis project with a deeper study of plasma discharge systems and beam-plasma interaction physics.
Your profile
* You are a student in physics, engineering, or a related field, in at least your final year of undergraduate study (minimum 4 semesters).
* You have experience with CAD and CFD software (for the multiphysics direction).
* You have proficiency in Python and familiarity with GPU-accelerated numerical simulations (for the PIC direction).
* A general aptitude for computational physics and data analysis is essential.
* You have not yet completed your Master’s thesis.
You will work closely with experienced accelerator scientists and plasma physics researchers. In our collaborative and dynamic environment, the ability to work effectively with international partners is essential. As an open-minded and adaptable individual, you thrive in a multicultural setting, fostering strong relationships with colleagues and partners from diverse backgrounds. We are committed to creating an inclusive workplace, and we welcome new perspectives.
We offer
Our institution is based on an interdisciplinary, innovative and dynamic collaboration.
The contract will be limited to 3 months.
For further information, please contact Dr Andrea Frazzitta, phone or or Dr Gerard Lawler,, email
Please submit your application online for the position as a Trainee (Index-Nr. ).
Paul Scherrer Institute, Human Resources Management, Lara Essig, 5232 Villigen PSI, Switzerland
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