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Quantum Physics Nov 30, 2022

New quantum computing feat is a modern twist on a 150-year-old thought experiment

A team of quantum engineers at UNSW Sydney has developed a method to reset a quantum computer—that is, to prepare a quantum bit in the '0' state—with very high confidence, as needed for reliable quantum computations. The ...

Materials Science Nov 29, 2022

Engineers use quantum computing to develop transparent window coating that blocks heat, saves energy

Cooling accounts for about 15 percent of global energy consumption. Conventional clear windows allow the sun to heat up interior spaces, which energy-guzzling air-conditioners must then cool down. But what if a window could ...

Quantum Physics Nov 21, 2022

Fluxonium qubits bring the creation of a quantum computer closer

Russian scientists from University of Science and Technology MISIS and Bauman Moscow State Technical University were one of the first in the world to implement a two-qubit operation using superconducting fluxonium qubits. ...

Quantum Physics Nov 15, 2022

The unimon, a new qubit to boost quantum computers for useful applications

A group of scientists from Aalto University, IQM Quantum Computers, and VTT Technical Research Center have discovered a new superconducting qubit, the unimon, to increase the accuracy of quantum computations. The team has ...

Quantum Physics Nov 2, 2022

A method to characterize large quantum computers using only a single measurement setting

Quantum devices are becoming ever more complex and powerful. Researchers at the University of Innsbruck, in collaboration with the Johannes Kepler University Linz and the University of Technology Sydney, are now presenting ...

Quantum Physics Oct 28, 2022

Universal parity quantum computing, a new architecture that overcomes performance limitations

The computing power of quantum machines is currently still very low. Increasing performance is a major challenge. Physicists at the University of Innsbruck, Austria, now present a new architecture for a universal quantum ...

Superconductivity Oct 27, 2022

New hybrid structures could pave the way to more stable quantum computers

A new way to combine two materials with special electrical properties—a monolayer superconductor and a topological insulator—provides the best platform to date to explore an unusual form of superconductivity called topological ...

Quantum Physics Oct 26, 2022

Could energy efficiency be quantum computers' greatest strength yet?

Quantum computers have attracted considerable interest of late for their potential to crack problems in a few hours where they might take the age of the universe (i.e., tens of billions of years) on the best supercomputers. ...

Quantum Physics Oct 25, 2022

Electrons that flow like liquids pave the way for robust quantum computers

Quantum computers, which can perform calculations much faster than traditional computers, have a big problem: They are prone to data storage and processing errors caused by disturbances from the environment like vibrations ...

Optics & Photonics Oct 21, 2022

Single-phonon readout and ground-state cooling with trapped electron brings quantum computing one step closer

Quantum computers are powerful computational devices that rely on quantum mechanics, or the science of how particles like electrons and atoms interact with the world around them. These devices could potentially be used to ...

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