Artist’s concept of SUPREME-GQ. Credit: S. Shahriar / NASA Ask almost any physicist what the most frustrating problem is in modern-day physics, and they will likely say the discrepancy between…
Category: Physics
Metasurface technology offers a compact way to generate multiphoton entanglement
Generating multiphoton entanglement with a tiny metasurface. Credit: Peking University Quantum information processing is a field that relies on the entanglement of multiple photons to process vast amounts of information.…
Uncovering Einstein’s relativity in an interacting atomic playground
An optical lattice clock embedded in the curved spacetime formed by the earth’s gravity. Dynamical interplay between photon-mediated interactions and gravitational redshift can lead to entanglement generation and frequency synchronization…
Quantum algorithm excels at finding local minima of many-body systems
Illustration of energy landscape. Credit: Chen et al. Many physicists and engineers have recently been trying to demonstrate the potential of quantum computers for tackling some problems that are particularly…
SLAC scientists created the most powerful ultrashort electron beam in the world
BYLINE: Chris Patrick Scientists have created an ultrashort electron beam with five times more peak current than any other similar beam on Earth. Described in a paper published in Physical Review Letters, this…
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…
Computing’s next frontier takes form
Credit: AI-generated image After several dashed predictions, quantum computing is accelerating rapidly with actual use cases and scientific breakthroughs expected within years, not decades. US tech giants, startups, banks and…
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,…
