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Postdoctoral position on numerical approaches to low-dimensional flat-band systems

Uppsala University

Description: The theory groups of Annica Black-Schaffer and Adrian Kantian at the Department of Physics and Astronomy at Uppsala University invite applications for a joint postdoctoral position on many-body physics in flat-band systems with a special focus on numerical approaches, with funding provided by the Knut and Alice Wallenberg Foundation (KAW) and the European Research Council (ERC).
Project: The aim of the project is to advance the theory of many-body quantum systems realized in low-dimensional flat-band and partial flat-band lattices. A special focus will be on finding and characterizing potential superconducting instabilities in these systems and their competition with alternative orders. A major tool in this project will be the use of density matrix renormalization group (DMRG) approaches as well as advanced analytical mean-field techniques.
Profile: Scientific curiosity, a strong drive for original research, scientific rigour, and self-initiative are vital requirements for this position, as is a collaborative nature. Work in this position will involve substantial use of existing DMRG codes. This project thus seeks an applicant with a solid background and experience either in matrix product state-based methods and/or other types of numerical many- body techniques, complemented by an extensive understanding of the physics of strongly correlated systems in general. On the technical side, substantial programming abilities and experience in the use of Linux/Unix-based HPC computational clusters are essential. Knowledge of and experience with C++ would be a major asset.
Team and environment: This position will be embedded in the groups of the two joint PIs. The two groups have extensive research activities on many-body systems in both solid state matter and ultracold atomic gases, especially with a focus on unconventional superconductivity in bulk as well as in low-dimensional systems. Techniques used range from analytical Green’s functions techniques and many-body dynamics in and out of equilibrium to DMRG and dynamical mean-field theory (DMFT) calculations. Together, the groups currently comprise seven postdoctoral researchers and six Ph.D. students.
Uppsala University is a comprehensive research-intensive university with a strong international standing. Its mission is to pursue top- quality research and education. Uppsala University has 42,000 students, 7,000 employees and a turnover of SEK 6.7 billion.
More information on the groups and their activities can be found on http://materials-theory.physics.uu.se/blackschaffer/ and http://materials-theory.physics.uu.se/kantian/
Prerequisites: A PhD degree in theoretical physics or equivalent. Fluency in both written and spoken English is an absolute prerequisite. Ability to communicate results clearly and concisely, directly with colleagues, as well as with outside collaborators and at conferences.
Position: This position is provided in the form of a tax-free postdoctoral scholarship stipend for 2 years, with the possibility of an additional third year. Comprehensive healthcare is provided with only a small co-pay (<2 000 SEK/year).
Starting date: Fall 2020 or as otherwise agreed.
Review of applications will begin August 3rd, 2020 and continue until the position is filled.

How to apply

The application file should contain:(1) Letter describing the applicant and her/his qualifications and research interests (2) CV (3) Full publication list (4) Contact information for at least three references (5) Copies of relevant degrees Please direct all queries regarding this advertisement, as well as the application package in the form of a single PDF to flatbandphysics.uppsala@gmail.com Uppsala University is striving to achieve a more even gender balance and women are especially encouraged to apply.

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Published on June 12, 2020

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