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Unveiling a new quantum frontier : Frequency-domain entanglement

26 avril

Scientists have introduced a form of quantum entanglement known as frequency-domain photon number-path entanglement. This advance in quantum physics involves an innovative tool called a frequency beam splitter, which has the unique ability to alter the frequency of individual photons with a (…)

Large Hadron Collider experiment zeroes in on magnetic monopoles

26 avril

The late physicist Joseph Polchinski once said the existence of magnetic monopoles is "one of the safest bets that one can make about physics not yet seen." In its quest for these particles, which have a magnetic charge and are predicted by several theories that extend the Standard (…)

Scientists capture X-rays from upward positive lightning

26 avril

Globally, lightning is responsible for over 4,000 fatalities and billions of dollars in damage every year ; Switzerland itself weathers up to 150,000 strikes annually. Understanding exactly how lightning forms is key for reducing risk, but because lightning phenomena occur on sub-millisecond (…)

Research demonstrates a new mechanism of order formation in quantum systems

26 avril

Researchers Kazuaki Takasan and Kyogo Kawaguchi of the University of Tokyo with Kyosuke Adachi of RIKEN, Japan, have demonstrated that ferromagnetism, an ordered state of atoms, can be induced by increasing particle motility and that repulsive forces between atoms are sufficient to maintain it.

Scientists simulate magnetization reversal of Nd-Fe-B magnets using large-scale finite element models

26 avril

NIMS has succeeded in simulating the magnetization reversal of Nd-Fe-B magnets using large-scale finite element models constructed based on tomographic data obtained by electron microscopy.

Quasi-2D spin-Peierls transition through interstitial anionic electrons in K(NH₃)₂

25 avril

In a paper published in Science Bulletin, a Chinese team of scientists predicts a novel electride K(NH3)2, with interstitial electrons distributed at cages formed by six ammonia molecules and forming a quasi-2D triangular lattice. They have revealed that this material undergoes a spin-Peierls (…)

IRIS beamline at BESSY II gets a new nanospectroscopy end station

25 avril

The IRIS infrared beamline at the BESSY II storage ring now offers a fourth option for characterizing materials, cells and even molecules on different length scales. The team has extended the IRIS beamline with an end station for nanospectroscopy and nanoimaging that enables spatial (…)

First experimental proof for brain-like computer with water and salt

25 avril

Theoretical physicists at Utrecht University, together with experimental physicists at Sogang University in South Korea, have succeeded in building an artificial synapse. This synapse works with water and salt and provides the first evidence that a system using the same medium as our brains (…)

Airborne single-photon lidar system achieves high-resolution 3D imaging

25 avril

Researchers have developed a compact and lightweight single-photon airborne lidar system that can acquire high-resolution 3D images with a low-power laser. This advance could make single-photon lidar practical for air and space applications such as environmental monitoring, 3D terrain mapping (…)

Demonstration of heralded three-photon entanglement on a photonic chip

25 avril

Photonic quantum computers are computational tools that leverage quantum physics and utilize particles of light (i.e., photons) as units of information processing. These computers could eventually outperform conventional quantum computers in terms of speed, while also transmitting information (…)