ConQuEr
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Control of Quantum Systems @Erlangen
We are a newly established research group in Quantum Theory at the Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, led by Prof. Daniel Burgarth. We are interested in quantum control, open quantum systems and mathematical structures with applications in quantum technology. We are building a friendly and diverse group driven by open-ended curiosity and passion. We are particularly looking for applicants with good pencil and paper skills for analytical calculations.
[ConQuEr24]
The workshop "Control of Quantum Systems @Erlangen" [ConQuEr24] was held in Erlangen on December 11–13. It included talks by 13 invited speakers from all around the world, and a poster session. See the workshop website for all information. Thanks to all participants!
News
News
29 Jan 2026 In our new paper, Felix Fischer, Daniel Burgarth, and Davide Lonigro analyze the perils of finite-dimensional approximations, explaining why truncated Hamiltonians can fail to reproduce the correct dynamics.
12 Jan 2026 Ebrahim Saheri from Jena University joins the group as a Master's student. Welcome!
13 Aug 2025 Two new (twin) papers on arXiv. Here we determine when higher-order squeezing operators are essentially self-adjoint, characterizing their self-adjoint extensions in the negative case; and here we use this knowledge to explain a seemingly paradoxical numerical effect: simulations of higher-order squeezing dynamics can produce starkly different outcomes depending on whether the truncation dimension is even or odd.
26 May 2025 Two new papers on the arXiv: we characterize quantitatively the performance of higher-order refinements of the rotating-wave approximation for the semiclassical Rabi model, and we find eternal bounds for spectral transitions in perturbed quantum systems.
15 Apr 2025 Our member Davide Lonigro was interviewed by the FAU Profile Center Light.Matter.QuantumTechnologies: read here the interview.
Contacts
Contacts
Friedrich-Alexander-Universität Erlangen-Nürnberg
Department of Physics
Staudtstraße 7/B3, 91058 Erlangen, Germany
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