PhD: We are looking for an outstanding, exceptionally motivated PhD student with a degree in physics, mathematics, computer science, communications engineering, or another relevant field, and ideally a strong background in quantum information theory, on topics related to the ESQACS project*(see bellow) — PID2022-141283NB-I00 Spanish Ministery.
Interested applicants should send a CV along with a short statement of purpose or presentation letter and arrange for two letters of recommendation to be sent to Anna.Sanpera@uab.cat or Andreas.Winter@uab.cat using “ESQACS-PhD” as subject. Pre-selected candidates will need to submit an internal UAB application to by 25 oct following the link below:
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Postdoc: We are looking for an outstanding and enthusiastic postdoc with a background in quantum information theory, machine learning and or AI and open to collaborate scientifically with people with different scientific backgrounds.
The postdocs are expected to work in classification, discrimination, verification of quantum states, quantum processes and quantum channels using quantum algorithms, AI and quantum machine learning. The appointment will start at the earliest convenience and will last 2 years.
The position hangs under the National Spanish Project Quantum Spain, funded by the SEDIA and EU-Next Generations Funds. Postdocs are expected to actively participated in the activities of GIQ: helping in supervision of bachelor & master students, participate in outreach activities, organization of scientific seminar and others.
Interested applicants should send a CV along with a short statement of purpose or presentation letter and arrange for two or three letters of recommendation to be sent to Anna.Sanpera@uab.cat using “Quantum Spain-postdoc” as subject. Review of applications will begin on October 25th 2023 and will continue until the position is filled.
GIQ is a quite interdisciplinary group on quantum information theory. Information about permanent staff and present group members can be found in our home page.
* The project ESQACS addresses what are the advantages, bounds, strategies and limitations for tasks concerning complex quantum systems. It is broad in scope ranging from the statistical inference of the quantum properties of states, processes and observables, to the thermodynamical consequences derived by present miniaturization of quantum devices. It addresses as well the intrinsic complexity involved in computational models, in simulation of many-body systems or novel consequences deriving from infinite-dimensional Hilbert space. The project is organized along four distinct but interconnected research lines which share conceptual principles and goals. Relying on a minimal set of assumptions, ESQACS will develop universal quantum learning protocols which should allow to analyze any input quantum data for verification and certification of quantumness. To verify and certify correlations in space and time demands novel formalisms. While classically the mathematical structure that governs correlations between simultaneous events across space and correlations generated by stochastic processes in time are both described using joint probability distributions, this is not anymore the case in the quantum world. We need to derive a proper mathematical characterization and formulation of spatial and temporal quantum correlations with the objective of harnessing them for information processing tasks. Complexity naturally arises when the number of parties, correlations, operations and/or measurements increases. For instance, the space of all possible quantum operations that can be performed on a physical system is enormous (typically exponential in the number of subsystems) as is the space of all quantum states of interacting many-body systems. However, in both cases, the set of physical operations (i.e., those that can be implemented), and the set of physical states (those that arise from a physical Hamiltonian) are much more restricted. We want to characterize such sets using quantum information protocols and convex geometry. The rapidly developing field of quantum technologies demands to lift also typical assumptions regarding the interaction of a quantum system with its surrounding environment and the equilibirium hypothesis. Describing open quantum systems far from equilibrium is challenging, in particular when the environment is mesoscopic, when it develops non-equilibrium features during the evolution, or when memory effects cannot be disregarded. Following previous results from our group, we want to study observational entropies as a key concept to close the gap between standard quantum thermodynamics/statistical mechanics and out-of- equilibrium physics, but also its use to characterize complex correlations. ESQACS is concerned with fundamental research, aiming at generating new knowledge but considering also concrete tasks and use cases where quantum technologies offer an advantage in performance in comparison with standard technologies.