What is the deal with Cat-Qubits?
A surprisingly new and alternative path to fault tolerant quantum computation is emerging. Fueled by recent impressive results, “cat qubits” […]
Quantum Chemistry in a Nutshell II – Post-Hartree-Fock methods
Quantum chemistry is one of the top most promising and one of the first applications for quantum computing. Most likely,
Quantum Chemistry in a Nutshell I – For Quantum Computing Enthusiasts
Quantum chemistry is one of the top most promising applications for quantum computing – due to the quantum nature of
My Cover-Article in the iX-Magazine 06/2024 about NISQ
I am delighted that the well-known German iX-magazine about professional computing has published my new article: As a 7-page cover-story
The State of Quantum RAM: A new enlightening Investigation
The realization of quantum RAM aka QRAM would be a game changer for the quantum industry. Very promising proposals almost
From Shor to the Quantum Hidden Subgroup Problem – A jumpstart
Regarding the importance of exponential quantum advantages, it is natural to ask how far the boundaries of known, superfast quantum
Does Quadratic Quantum Speedup have a problem?
As quantum computing evolves the community focuses on the next steps towards fault tolerance. Recent estimates for the overhead of
Challenging the “Exponential Quantum Advantage Hypothesis“ for Quantum Chemistry
Ever since Feynman‘s statement “Nature isn‘t classical dammit“ there exists the general agreement in the quantum computing community that fault
How to visualize quantum entanglement?
In case you want to explain some central aspects of quantum information theory to curious people (like to explain aspects
Is Google’s quantum supremacy milestone now really obsolete?
In August 2022 news has spread through the media, that a team of researchers from the Chinese Academy of Sciences