Rotation of electron spins in superconductors of atomic-scale thickness may be used to make qubits for quantum computing. Superconductivity is known to be easily destroyed…
Posts published in “Quantum Computing”
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Lack of symmetry in qubits can’t fix errors in quantum computing, but might explain matter/antimatter imbalance. Unexpected twist in the Kibble-Zurek theory offers a new…
The image shows eight electrodes around a 20-nanometer-thick magnet (white rectangle). The graphene, not show, is less than is less than 1 nanometer thick and…
Researchers have found a way to use light and a single electron to communicate with a cloud of quantum bits and sense their behavior, making…
A quantum circuit. Credit: Aalto University Simulation of non-Hermitian quantum mechanics using a quantum computer goes beyond centuries-old conventions. Aalto researchers have used an IBM…
MIT researchers are developing a superconducting nanowire, which could enable more efficient superconducting electronics. Credit: Christine Daniloff, MIT Inspired by decades-old MIT research, the new…
Physicists have discovered a potentially game-changing feature of quantum bit behavior that would allow scientists to simulate complex quantum systems without the need for enormous…
The new single-photon source is based on excitation of a quantum dot (shown as a bulge on the bottom left), which then emits photons. A…
Top: Counting statistics (ptx) of an error signal (x) recorded by a single-charge detector, shown as a function of the number of repetitions (t) of…
Schematic of light-induced formation of Weyl points in a Dirac material of ZrTe5. Jigang Wang and collaborators report how coherently twisted lattice motion by laser…
Researchers at the Paul Scherrer Institute PSI have put forward a detailed plan of how faster and better defined quantum bits — qubits — can…
Explained: Quantum engineering Quantum computers could usher in a golden age of computing power, solving problems intractable on today’s machines. Since the 1940s, classical computers…
Quantum particles lined up in a lattice form the basis for an error-tolerant quantum processor. Credit: Uni Innsbruck/Harald Ritsch Even computers can miscalculate. Already small…
False-colour electron microscope image of the sample, the green layers are graphene on top of the grey superconductor. The blue metal electrodes are used to…
Optimized quantum algorithms present solution to Fermi-Hubbard model on near-term hardware. Researchers from the University of Bristol and quantum start-up, Phasecraft, have advanced quantum computing…
This illustration of a nanoscale node created by the lab of Nick Vamivakas, professor of quantum optics and quantum physics, shows a closeup of one…
Researchers at Chalmers University of Technology, Sweden, have now shown that they can solve a small part of a real logistics problem with their small,…
Majorana Zero Energy Modes are found at the edge of 2D topological superconductors. Credit: Alex Tokarev, Ella Maru Studio Aalto University New research, published in…
University of Copenhagen researchers have advanced their quantum technology to such a degree that classical computing technology can no longer keep up. They have developed…
Atomic-scale image of two interacting donors in silicon. Credit: CQC2T Australian researchers have located the ‘sweet spot’ for positioning qubits in silicon to scale up…