Distinguishing classical from quantum gravity through measurable stochastic fluctuations

Illustration of an experiment that can be used to determine if gravity is classical or quantum. Two quantum masses are suspended at some distance away from each other and interact…

Opening the doors to accessible quantum research

Daniel Blumenthal. Credit: Matt Perko, UC Santa Barbara UC Santa Barbara researchers are working to move cold atom quantum experiments and applications from the laboratory tabletop to chip-based systems, opening…

Scientists unravel spiraling secrets of magnetic materials for next-generation electronics

Illustration of how spin rotation changes the total energy of a helimagnetic system. Credit: Kesong Yang lab Deep within certain magnetic molecules, atoms arrange their spins in a spiral pattern,…

Superconducting quantum processor prototype operates 10¹⁵ times faster than fastest supercomputer

Schematic diagram of the Zuchongzhi-3 chip. 105 qubits and 182 couplers are integrated on the same chip to perform quantum random circuit sampling tasks. Credit: USTC Zuchongzhi-3, a superconducting quantum…

First on-chip multipartite entanglement achieved with optical microcomb

Fig. 2: Experimental measurements of nullifiers and violations of the van Loock–Furusawa inequalities. Credit: Nature (2025). DOI: 10.1038/s41586-025-08602-1

Inspired by Maxwell’s demon, heat flow acts as a witness to quantum properties

The heat-based witness setup for detecting quantum entanglement. Credit: Dr. Alexssandre de Oliveira Junior. In a new study published in Physical Review Letters, scientists have discovered a novel approach to…

A new approach to reduce decoherence in superconducting qudit-based quantum processors

Credit: Tripathi et al. Quantum computers, which operate leveraging quantum mechanics effects, could soon outperform traditional computers in some advanced optimization and simulation tasks. Most quantum computing systems developed so…

Methane’s collision with gold surfaces reveals how quantum interference and symmetry dictate molecular behavior

The interior of the vacuum chamber during a scattering experiment. The detector is shown in gray (top right) and the Au(111) gold surface is shown in yellow. The lines indicate…

Unraveling the origin of extremely bright quantum emitters

Schematic of light emission from the color center at the oxide/SiC interface. Credit: Osaka University Many next-generation quantum devices rely on single-photon emitters based on optically active defects in solids,…

How Schrödinger’s cat could help improve quantum computers

Credit: Pixabay/CC0 Public Domain Quantum computers could be made with fewer overall components, thanks to technology inspired by Schrödinger’s cat. A team of researchers from Amazon Web Services has used…