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The first trapped-ion quantum computer proposal
The paper that started it all: a historical look at the Cirac-Zoller gate.
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- Suppressing relaxation in superconducting qubits by quasiparticle pumpingAuthors: Simon Gustavsson, Fei Yan, Gianluigi Catelani, Jonas Bylander, Archana Kamal, Jeffrey Birenbaum, David Hover, Danna Rosenberg, Gabriel Samach, Adam P. Spears, Steven J. Weber, Jonilyn L. Yoder, John Clarke, Andrew J. Kerman, Fumiki Yoshihara, Yasunobu Nakamura, Terry P. Orlando, William D. Oliver First Author’s Primary Affiliation: Research Laboratory of Electronics, Massachusetts Institute of Technology,Continue reading “Suppressing relaxation in superconducting qubits by quasiparticle pumping”
- What can quantum information tell us about the foundations of statistical mechanics?By Mauro E.S. Morales Title: Entanglement and the foundations of statistical mechanics Authors: Sandu Popescu1,2, Anthony J. Short1, Andreas Winter3. Institutions: 1H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK 2Hewlett-Packard Laboratories, Stoke Gifford, Bristol BS12 6QZ, UK 3Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, UKContinue reading “What can quantum information tell us about the foundations of statistical mechanics?”
- Quantum routing with teleportation
This post was sponsored by Tabor Electronics. To keep up to date with Tabor products and applications, join their community on LinkedIn and sign up for their newsletter. Authors: Dhruv Devulapalli, Eddie Schoute, Aniruddha Bapat, Andrew M. Childs, Alexey V. Gorshkov arXiv: https://arxiv.org/abs/2204.04185 Background and motivation When we write quantum circuits on paper or in software, it’s often convenient to assume that anyContinue reading “Quantum routing with teleportation“ - Controlled Dissipation with Superconducting QubitsThis post was sponsored by Tabor Electronics. To keep up to date with Tabor products and applications, join their community on LinkedIn and sign up for their newsletter. Authors: P.M. Harrington, M. Naghiloo, D. Tan, K.W. Murch First Author’s Primary Affiliation: Department of Physics, Washington University, Saint Louis, Missouri 63130, USA Manuscript: Published in Physical Review A Introduction QuantumContinue reading “Controlled Dissipation with Superconducting Qubits”
- Quantum control of motion
A superconducting qubit is used to prepare, entangle, and measure mechanical states of motion - Parity measurement in the strong dispersive regime of circuit quantum acoustodynamicsAuthors: 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 phononsAuthors: 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. - Landau-Zener interference: a “beam splitter” for controlling composite qubits
A scalable solution for universal control in low-frequency superconducting qubits. - The first trapped-ion quantum computer proposal
The paper that started it all: a historical look at the Cirac-Zoller gate. - Will Quantum Computers without Error Correction be Useful for Optimization?
A new analytic technique has been developed to provide answers. - Integrated photonics in an ion-trap chip: a massive step toward scalability
A path to scalability for trapped-ion quantum computing - Quadratic speedups aren’t enough in the near term
Why we may need to look beyond modest polynomial speedups for quantum advantage - Uncertainties Regarding Uncertainties: Modern Lessons from Entropy and Quantum Information Theory
What is uncertainty, and how can entropy help us quantify it? - Solving nonlinear differential equations on a quantum computer
A new quantum algorithm for solving nonlinear ODEs with exponential speedup
Qubytes provides bite-sized summaries of quantum information research posted on arxiv quant-ph. Written by graduate students/postdocs for the undergraduate level. Join us or support our authors by contacting us at qubytes@gmail.com.
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