A superconducting qubit is used to prepare, entangle, and measure mechanical states of motion

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## Parity measurement in the strong dispersive regime of circuit quantum acoustodynamics

Authors: Uwe von Lüpke, Yu Yang, Marius Bild, Laurent Michaud, Matteo Fadel, and Yiwen Chu First Author’s Primary Affiliation: Department of Physics, ETH Zurich, Zurich, Switzerland Manuscript: Published in Nature Physics Introduction Superconducting qubits are a promising candidate for functional quantum computation as well as investigating fundamental physics of composite quantum systems where superconducting qubitsContinue reading “Parity measurement in the strong dispersive regime of circuit quantum acoustodynamics”

## Could Metastable States Be the Answer?

A proposal for a new quantum computing architecture using metastable states in atomic ions.

## Quantum Entanglement of Macroscopic Mechanical Objects

Quantum entanglement is observed between two objects each containing billions of atoms.

## Quantum Communication with itinerant surface acoustic wave phonons

Authors: E. Dumur, K.J. Satzinger, G.A. Peairs, M-H. Chou, A. Bienfait, H.-S. Chang, C.R. Conner, J. Grebel, R.G. Povey, Y.P. Zhong, A.N. Cleland First Author’s Primary Affiliation: Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637, USA Manuscript: Published in NPJ Quantum Information Introduction Superconducting qubits are among the state of the artContinue reading “Quantum Communication with itinerant surface acoustic wave phonons”

## Quantum Information and the Second Law

Incorporating quantum information explicitly into the Second Law of Thermodynamics.

## Catching and counting photons

A device and protocol to resolve individual microwave photons in a propagating wavepacket.

## A Review and Discussion of Variational Quantum Anomaly Detection

VQAD is a new quantum machine learning algorithm for learning a quantum system’s phase diagram.

## Speeding up Control-Z gates on a fluxonium quantum computer

How to perform fast logic with slow qubits, and the future of NISQ processors.

## Just How Much Better is Quantum Machine Learning than its Classical Counterpart?

Classical machine learning is much more powerful than may be naively assumed.