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Quantum Physics Nov 20, 2023

A scientist explains an approaching milestone marking the arrival of quantum computers

Quantum advantage is the milestone the field of quantum computing is fervently working toward, where a quantum computer can solve problems that are beyond the reach of the most powerful non-quantum, or classical, computers.

Space Exploration Nov 15, 2023

Europe's quantum decade extends into space

Europe—and the world—is in the midst of the "quantum decade": a period in which the peculiar properties of matter that manifest at the very tiniest of scales are being transformed from mere scientific curiosities into ...

Condensed Matter Oct 27, 2023

New algorithms inspired by quantum computing for simulating polymeric materials

The advent of quantum computing is opening previously unimaginable perspectives for solving problems deemed beyond the reach of conventional computers, from cryptography and pharmacology to the physical and chemical properties ...

Quantum Physics Oct 19, 2023

Quantum computers in 2023: How they work, what they do, and where they're heading

In June, an IBM computing executive claimed quantum computers were entering the "utility" phase, in which high-tech experimental devices become useful. In September, Australia's Chief Scientist Cathy Foley went so far as ...

Quantum Physics Oct 11, 2023

Exploring parameter shift for quantum Fisher information

In a recent publication in EPJ Quantum Technology, Le Bin Ho from Tohoku University's Frontier Institute for Interdisciplinary Sciences has developed a technique called time-dependent stochastic parameter shift in the realm ...

Optics & Photonics Oct 10, 2023

Toward metropolitan free-space quantum networks

Quantum communications have rapidly progressed toward practical, large-scale networks based on quantum key distributions that spearhead the process. Quantum key distribution systems typically include a sender "Alice," a receiver ...

Quantum Physics Oct 6, 2023

Scientists develop a semi-device independent, randomness-free test for quantum correlation

In a new Physical Review Letters study, scientists have successfully presented a proof of concept to demonstrate a randomness-free test for quantum correlations and non-projective measurements, offering a groundbreaking alternative ...

Education Sep 11, 2023

Quantum information science is rarely taught in high school—here's why that matters

The first time I heard about quantum information science, I was at a teacher development workshop in Canada in 2008.

Quantum Physics Sep 7, 2023

Machine learning contributes to better quantum error correction

Researchers from the RIKEN Center for Quantum Computing have used machine learning to perform error correction for quantum computers—a crucial step for making these devices practical—using an autonomous correction system ...

Condensed Matter Sep 6, 2023

Promising quantum state found during error correction research

Window glass, at the microscopic level, shows a strange mix of properties. Like a liquid, its atoms are disordered, but like a solid, its atom are rigid, so a force applied to one atom causes all of them to move.

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