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A major bottleneck of current NISQ hardware is low fidelity of 2 qubit gates. A component to improve this is the possibility to completely switch off interactions between qubits. In our pre-print we derive conditions for the coupler to suppress all parasitic interactions, i.e. state delocalization a...

In our latest pre-print, we introduce a variational algorithm for Hamiltonian simulation. As quantum optimization faces fundamental problem when performed on a quantum machine, we studied optimization on a classical computer. As opposed to prior work, the presented algorithm is applicable to any loc...

Timo Eckstein, Refik Mansuroglu, Piotr Czarnik, Jian-Xin Zhu, Michael J. Hartmann, Lukasz Cincio, Andrew T. Sornborger, Zoë Holmes Quantum systems subject to periodic driving exhibit a diverse set of phenomena both of fundamental and technological interest. However, such dynamical systems are mor...

IOPscience's Quantum Science and Technology has accepted and published a new article by Refik Mansuroglu, Timo Eckstein, Ludwig Nützel, Samuel A Wilkinson, and Michael J Hartmann, which introduces a novel technique to efficiently scale variational quantum algorithms to larger systems. The article ca...

The Quromorphic Winter Workshop is getting closer! The Max Planck Institute for the Science of Light in Erlangen will host the first edition of the event from February 14th to 16th, 2023. Bringing together experimentalists, theorists and industry experts, the workshop aims to create synergies and st...

Can Quantum Computing contribute to a sustainable development? Prof. Michael J. Hartmann, director of the Institute for Theoretical Physics II tackled this big question last thursday as part of the series of public lectures "Naturwissenschaften und Nachhaltigkeit". As  expectations for the use of qu...

The paper “Variational Quantum Eigensolver Ansatz for the J1-J2-model”, a work of our PhD candidate Verena Feulner, was published in Physical Review B. The J1-J2 quantum spin model goes one step beyond a nearest-neighbor interacting system by introducing next-nearest neighbor interactions along t...

Projects on Computational Physics Project Course, Winter Semester 2022-2023, see Campo. You can find more information on the StudOn page https://www.studon.fau.de/crs4622870.html Link to join: https://www.studon.fau.de/crs4622870_join.html

Quantum Computing course Lecture, Winter Semester 2022-2023, Tuesdays 14.15 in lecture theater E (HE), see Campo. Lecture notes can be found here: Quantum Computing Lecturenotes. You can find more information on the StudOn page https://www.studon.fau.de/crs4665102.html Link to join: https:...

The Theory of Quantum Technology Group at FAU Erlangen-Nürnberg, led by Prof. Michael J. Hartmann invites applications for postdoc positions in the theory and modeling of superconducting quantum hardware. The positions will be part of the new Bavarian and German programs to develop quantum computers...