Paul Scherrer Institute (PSI) 
Villigen, Switzerland Offer Summary
The Paul Scherrer Institute (PSI) in Villigen, Switzerland, is seeking a Postdoctoral Fellow for the Quantum Molecular Dynamics project, a collaboration with ETH Zurich. This role focuses on theoretical research at the intersection of quantum information theory and many-body physics, specifically targeting quantum simulation and computing applications. Key responsibilities include developing resource-efficient simulation methods for bosonic and hybrid qubit-boson systems, designing learning protocols, and characterizing realistic quantum devices. The position emphasizes applications to quantum chemistry and molecular dynamics. Candidates must hold a PhD in Physics or a related field, demonstrating strong expertise in quantum information, many-body physics, or continuous-variable systems. Proficiency in scientific programming and English is required. The appointment is for two years, extendable to three, offering opportunities for interdisciplinary collaboration with experimental groups at PSI and ETH Zurich.
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Project Description
Postdoctoral Fellow in Quantum Simulation and Bosonic Quantum Information
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 open position concerns theoretical research at the interface of quantum information theory and quantum many-body physics, with applications to quantum simulation and quantum computing. Particular focus is placed on bosonic and hybrid qubit-boson systems and applications to quantum chemistry. Possible research directions include developing resource-efficient quantum simulation methods, designing quantum learning and benchmarking protocols, and characterizing the capabilities and limitations of realistic quantum computing devices.
The position is embedded in the interdisciplinary Quantum Molecular Dynamics project, a collaboration between PSI and ETH Zurich. The project aims to develop and benchmark quantum simulation methods for challenging problems in molecular quantum dynamics, with a particular focus on mixed-qudit-boson approaches. It brings together expertise in quantum information theory and theoretical chemistry with experimental quantum computing platforms based on trapped ions and superconducting quantum circuits. The position offers opportunities for close collaboration with experimental and theoretical partners at PSI and ETH Zurich.
For Laboratory for Theoretical and Computational Physics we are looking for a
Your tasks
- Conduct research in quantum information theory and quantum many-body physics, with applications to quantum simulation and quantum computing
- Develop theoretical methods for quantum simulation, learning and benchmarking, particularly for bosonic and hybrid quantum systems, with applications to quantum chemistry and molecular dynamics
- Collaborate closely with experimental quantum computing groups at PSI and theoretical partners within the project
- Publish research results in peer-reviewed journals and present findings at international conferences
Your profile
- PhD degree in Physics or a closely related field
- Strong research background in quantum information theory, quantum many-body physics, quantum simulation or related areas
- Experience in bosonic or continuous-variable quantum information, quantum learning and benchmarking or quantum chemistry would be particularly welcome
- Motivated, collaborative and able to work effectively both independently and in a team environment
- Experience in analytical or numerical research methods, including scientific programming
- Good knowledge of English
We offer
Our institution is based on an interdisciplinary, innovative and dynamic collaboration. You will profit from a systematic training on the job, in addition to personal development possibilities and our pronounced vocational training culture. If you wish to optimally combine work and family life or other personal interests, we are able to support you with our modern employment conditions and the on-site infrastructure.
Your employment contract is limited to 2 years, with the option of an extension for a 3rd year.
For further information, please contact Dr Andreas Elben, phone +41 56 310 41 54.
Please submit your application online by 25 November 2026 (including a CV, a list of publications, a brief statement of research interests, one or two representative publications or preprints (links are sufficient) together with a brief description of your individual contributions to each work and contact details of at least two referees) for the position as a Postdoctoral Fellow (Index-Nr. 7201-28260).
Paul Scherrer Institute, People & Culture, Mariusz Prus, 5232 Villigen PSI, Switzerland