Articles syndiqués tirés de ce site

Slow atomic movements shed new light on unconventional superconductivity

5 décembre

While atoms are known to wiggle very fast, dopants added to a cuprate superconductor can also cause atoms to meander very slowly. An SLAC study shows this process, called atomic relaxation, offers a new way to explore quantum states in these puzzling materials.

In experiments, superconducting qubit baths give clean simulation of quantum transport

5 décembre

Researchers from Singapore and China have used a superconducting quantum processor to study the phenomenon of quantum transport in unprecedented detail.

World War One dazzle camouflage was not as well understood as it might have been, researchers suggest

4 décembre

Researchers from Aston University and Abertay University have found that World War One dazzle ships—vessels painted in a type of camouflage pattern to make it difficult for enemies to identify and destroy—weren’t as effective as originally thought.

Scientists exploit photo-induced chirality in thin films to improve authentication tech

4 décembre

In today’s world, the fight against counterfeiting is more critical than ever. Counterfeiting affects about 3% of global trade, posing significant risks to the economy and public safety. From fake pharmaceuticals to counterfeit currency, the need for secure and reliable authentication methods is (…)

Getting a grip on quark mixing : Physicists introduce framework to determine amount of mixing between up and down quarks

4 décembre

The quarks that make up the nuclei of all atoms around us are known to "mix" : the different types of quark occasionally change into one another. The amounts in which these processes happen are not very well known, though—and the theoretical values don’t even add up to 100%. UvA-IoP (…)

A path towards applying topology in quantum computing

4 décembre

Can insights from topology—the study of the properties of 3D objects that persist when an object is stretched or compressed—be applied in the field of quantum information processing ? Juan Lin, Shou-Bang Yang, Fan Wu, and Zhen-Biao Yang, researchers at Fuzhou University, China, believe so.

New quantum resistance standard can operate without an external magnetic field

4 décembre

Scientists at the University of Würzburg and the German national metrology institute (PTB) have carried out an experiment that realizes a new kind of quantum standard of resistance. It’s based on the Quantum Anomalous Hall Effect.

Approaching the unexplored ’plasma phase-space’ with data science

4 décembre

Fusion energy is being researched and developed as a new source of electric power that will contribute to the realization of a carbon-neutral society. At the National Institute for Fusion Science, research on magnetically confined plasma is being conducted using the Large Helical Device (LHD). (…)

X-ray vision : Seeing through the mystery of an X-ray emissions mechanism

3 décembre

Since the 1960s, scientists who study X-rays, lightning and similar phenomena have observed something curious : In lab experiments replicating these occurrences, electrons accelerated between two electrodes can be of a higher energy than the voltage applied.

Microscopy at the tip of a hair-thin optical fiber : New approach pre-shapes light for unprecedented control

3 décembre

Researchers at the University of Adelaide, as part of an international team, have developed an approach that makes advanced microscopy possible through an optical fiber thinner than a human hair.