As a test case, the machine was used to test a model of superconductivity. Quantum computers based on ions or […]
Category: quantum mechanics
Google has a useful quantum algorithm that outperforms a supercomputer
An approach it calls “quantum echoes” takes 13,000 times longer on a supercomputer. The work relied on Google’s current-generation quantum […]
Microsoft lays out its path to useful quantum computing
Its platform needs error correction that works with different hardware. Some of the optical hardware needed to make Atom Computing’s […]
IBM is now detailing what its first quantum compute system will look like
Company is moving past focus on qubits, shifting to functional compute units. A rendering of what IBM expects will be […]
Startup puts a logical qubit in a single piece of hardware
A bit over a year ago, Nord Quantique used a similar setup to show that it could be used to […]
Beyond qubits: Meet the qutrit (and ququart)
Skip to content It’s relatively easy to store multiple quantum values in one piece of hardware. It’s possible to go […]
Quantum hardware may be a good match for AI
Skip to content New manuscript describes analyzing image data in a quantum processor. Credit: Jason Marz/Getty Images Concerns about AI’s […]
D-Wave quantum annealers solve problems classical algorithms struggle with
The latest claim of a clear quantum supremacy solves a useful problem. Right now, quantum computers are small and error-prone […]
Amazon uses quantum “cat states” with error correction
The company shows off a mix of error-resistant hardware and error correction. Following up on Microsoft’s announcement of a qubit […]
Microsoft demonstrates working qubits based on exotic physics
Skip to content Stronger evidence for a hypothetical quasiparticle, plus actual processing hardware. Microsoft’s Majorana 1 processor, the first to […]