Physics News

December 30, 2024

Top Headlines

Twisted Edison: Bright, Elliptically Polarized Incandescent Light

Dec. 23, 2024 — Bright, twisted light can be produced with technology similar to an Edison light bulb, researchers have shown. The finding adds nuance to fundamental physics while offering a new avenue for robotic vision systems and other applications for light ...

Unlocking New Insights Into in-Plane Magnetic Field-Induced Hall Effects

Dec. 19, 2024 — In-plane magnetic fields are responsible for inducing anomalous Hall effect in certain films, report researchers. By studying how these fields change electronic structures, the team discovered a large in-plane anomalous Hall effect. These findings ...

Researchers Take 'Significant Leap Forward' With Quantum Simulation of Molecular Electron Transfer

Dec. 20, 2024 — Researchers have made a meaningful advance in the simulation of molecular electron transfer -- a fundamental process underpinning countless physical, chemical and biological processes. The study ...

First Demonstration of Quantum Teleportation Over Busy Internet Cables

Dec. 20, 2024 — Quantum teleportation could provide near-instant communication over long distances. But, inside Internet cables, photons needed for teleportation are lost within the millions of light particles required for classical communications. A new study ...

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First Results from 2021 Rocket Launch Shed Light on Aurora's Birth

Dec. 19, 2024 — Scientist have begun to reveal the particle-level processes that create the type of auroras that dance rapidly across the sky. The Kinetic-scale Energy and momentum Transport experiment -- KiNET-X -- ...

Engineering Researchers Develop Revolutionary Diamond Fabrication Technology

Dec. 19, 2024 — A research team has developed a groundbreaking method for massively producing ultrathin and ultra-flexible diamond ...

Plasma Heating Efficiency in Fusion Devices Boosted by Metal Screens

Dec. 19, 2024 — Scientists have performed computer simulations confirming a technique that prevents the production of unhelpful electromagnetic waves, boosting the heat put into fusion ...

Physicists Magnetize a Material With Light

Dec. 18, 2024 — Physicists have created a new and long-lasting magnetic state in a material, using only light. The results provide a new way to control and switch antiferromagnetic materials, which are of interest ...

Thorium Film Could Replace Crystals in Atomic Clocks of the Near Future

Dec. 18, 2024 — Atomic clocks that excite the nucleus of thorium-229 embedded in a transparent crystal when hit by a laser beam could yield the most accurate measurements ever of time and gravity, and even rewrite ...

How to Print a Car: High-Performance Multi-Material 3D Printing Techniques

Dec. 17, 2024 — A future where lightweight car parts can be made with a 3D printer is here, thanks to multi-material additive manufacturing ...

Physics: Current Generated by the Quantum Hall Effect Has Additional Magnetic Properties

Dec. 17, 2024 — The quantum Hall effect, a fundamental effect in quantum mechanics, not only generates an electric but also a magnetic current. It arises from the ...

New Discovery by Scientists Redefines Magnetism

Dec. 17, 2024 — Step into a world so tiny, it defies imagination -- the nanoscale. Picture a single strand of hair, now shrink it a million times. You've arrived. Here, atoms and molecules are the architects of ...

Physicists 'Bootstrap' Validity of String Theory

Dec. 17, 2024 — String theory remains elusive as a 'provable' phenomenon. But a team of physicists has now taken a significant step forward in validating string theory by using an innovative mathematical method that ...

Molecular Interactions: Spirals and Waves

Dec. 12, 2024 — Non-reciprocal interactions can increase the order in an active system. The researchers created a model to describe the emerging patterns depending on the amount of non-reciprocity in an active ...

High-Quality Nanodiamonds for Bioimaging and Quantum Sensing Applications

Dec. 23, 2024 — Researchers have developed nanodiamond sensors with nitrogen-vacancy (NV) centers, offering exceptional brightness and spin properties for quantum sensing and bioimaging. These nanodiamonds ...

Bringing the Power of Tabletop Precision Lasers for Quantum Science to the Chip Scale

Dec. 12, 2024 — For experiments that require ultra-precise measurements and control over atoms -- think two-photon atomic clocks, cold-atom interferometer sensors and quantum gates -- lasers are the technology of ...

Researchers Succeed in Controlling Quantum States in a New Energy Range

Dec. 12, 2024 — An international research team has controlled hybrid electron-photon quantum states in helium atoms. Control of these special quantum states was enabled by the pulse formation of very intense, ...

Smallest Molecular Machine: Reversible Sliding Motion in Ammonium-Linked Ferrocene

Dec. 12, 2024 — Ferrocene is a key molecule for developing molecular machines. However, it readily decomposes on the surface of flat noble metal substrates, marking a significant challenge. Now researchers have ...

Researchers Uncover Strong Light-Matter Interactions in Quantum Spin Liquids

Dec. 12, 2024 — Theoretical physicists along with an experimental team have found evidence of a quantum spin liquid in a material known as pyrochlore cerium stannate. They achieved this by combining state-of-the-art ...

Eyes on the Sun: Naked Thallium-205 Ion Decay Reveals History Over Millions of Years

Dec. 11, 2024 — The Sun generates its tremendous energy through the process of nuclear fusion. At the same time it releases a continuous stream of neutrinos -- particles that serve as messengers of its internal ...

Milestone 10-GeV Experiment Shines Light on Laser-Plasma Interactions

Dec. 11, 2024 — With dual lasers, researchers have accelerated a high-quality beam of electrons to 10 billion electronvolts in just 30 centimeters. The experiment gives scientists a 'frame-by-frame' look ...

Mapping the Nanoscale Architecture of Functional Materials

Dec. 11, 2024 — Researchers have pioneered a new technique called X-ray linear dichroic orientation tomography, which probes the orientation of a material's building blocks at the nanoscale in three-dimensions. ...

Researchers Discover New Third Class of Magnetism That Could Transform Digital Devices

Dec. 11, 2024 — A new class of magnetism called altermagnetism has been imaged for the first time in a new study. The findings could lead to the development of new magnetic memory devices with the potential to ...

Discovery of New Growth-Directed Graphene Stacking Domains May Precede New Era for Quantum Applications

Dec. 10, 2024 — Researchers discovered that three-layer graphene can naturally self-organize into specific stacking patterns (ABA/ABC domains) during growth on silicon carbide, eliminating the need for manual ...

Particle That Only Has Mass When Moving in One Direction Observed for First Time

Dec. 10, 2024 — For the first time, scientists have observed a collection of particles, also known as a quasiparticle, that's massless when moving one direction but has mass in the other direction. The ...

Rethinking the Quantum Chip

Dec. 10, 2024 — Researchers have realized a new design for a superconducting quantum processor, aiming at a potential architecture for the large-scale, durable devices the quantum revolution demands. Unlike the ...

Scientists Develop Cost-Effective Lasers for Extended SWIR Applications

Dec. 10, 2024 — A ground-breaking study showcases a significant advancement in laser technology, promising more affordable and scalable solutions for applications ranging from environmental monitoring to biomedical ...

'Strong' Filters: Innovative Technology for Better Displays and Optical Sensors

Dec. 10, 2024 — New research has shown how the quantum mechanical principle of strong coupling opens unrivalled possibilities for designing optical ...

Nature Inspires Self-Assembling Helical Polymer

Dec. 9, 2024 — Helical structures are ubiquitous across biology, from the double-stranded helix of DNA to how heart muscle cells spiral in a band. Inspired by this twisty ladder, researchers have developed an ...

The Last Missing Piece of Silicon Photonics

Dec. 9, 2024 — Scientists have developed the first electrically pumped continuous-wave semiconductor laser composed exclusively of elements from the fourth group of the periodic table -- the 'silicon ...

Space-Time Crystals, an Important Step Toward New Optical Materials

Dec. 9, 2024 — Photonic space-time crystals are materials that could increase the performance and efficiency of wireless communication or laser technologies. They feature a periodic arrangement of special materials ...

Faster Organic Phosphorescence for Better Display Tech

Dec. 9, 2024 — Screens for TVs, smartphones or other displays could be made with a new kind of organic LED material. The material maintains sharp color and contrast while replacing the heavy metal with a new hybrid ...

Observation of New Electric Field Signals Strong Potential for Assorted Devices

Dec. 8, 2024 — A new vortex electric field with the potential to enhance future electronic, magnetic and optical devices has been observed by ...

A Connection Between Quantum Theory and Information Theory

Dec. 6, 2024 — With the help of a new experiment, researchers have succeeded in confirming a ten-year-old theoretical study, which connects one of the most fundamental aspects of quantum mechanics -- the ...