PhysORG Physics News

Self-adapting fiber component tackles heat challenges in high-power fiber lasers
Thulium fiber lasers, operating at a wavelength of 2 micrometers, are valued for applications in medicine, materials processing, and defense. Their longer wavelength makes stray light less damaging co …
Deciphering the heavyweights of the tetraquark world
The CMS collaboration reports the first measurement of the quantum properties of a family of tetraquarks that was recently discovered at the LHC.
Scientists rule out fourth neutrino in particle physics mystery
Scientists have taken a major step toward solving a long-standing mystery in particle physics, by finding no sign of the particle many hoped would explain it.
Pinning down spinless glueballs: New look at hidden structure inside subatomic particles
SUNY Poly Professor of Physics Dr. Amir Fariborz recently published a paper in Physical Review D titled "Spinless glueballs in generalized linear sigma model." The work takes on a central ch …
Terahertz device sets performance record and opens new quantum horizons
A prototype device that has demonstrated record-breaking longevity could help open up new frontiers in next-generation communications and computing technologies.
Tightening the net around the elusive sterile neutrino
Neutrinos, though nearly invisible, are among the most numerous matter particles in the universe. The Standard Model recognizes three types, but the discovery of neutrino oscillations revealed they ha …
Long-standing puzzle in electron scattering deepens with new measurement
Why does lead behave so differently from every other atomic nucleus when struck by electrons? A team of physicists at Johannes Gutenberg University Mainz (JGU) has taken an important step toward answe …
How Ramanujan's formulae for pi connect to modern high energy physics
Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in school, where we learn about its use in the context of a circle. More recentl …
New levitating sensors could pave way to dark matter detection and quantum sensing
A new type of sensor that levitates dozens of glass microparticles could revolutionize the accuracy and efficiency of sensing, laying the foundation for better autonomous vehicles, navigation and even …
Optical clock sets new accuracy record, bringing us closer to a new definition of the second
A research team at VTT MIKES has set a new record in optical-clock absolute frequency measurements using a strontium single-ion clock with exceptionally low uncertainty and high uptime.
Scientists advance quantum signaling with twisted light technology
A tiny device that entangles light and electrons without super-cooling could revolutionize quantum tech in cryptography, computing, and AI.
Seeing physics as a mountain landscape for classification of nonlinear systems
Imagine standing on top of a mountain. From this vantage point, we can see picturesque valleys and majestic ridges below, and streams wind their way downhill. If a drop of rain falls somewhere on this …
Geodesic approach links quantum physics and gravitation
It is something like the "Holy Grail" of physics: unifying particle physics and gravitation. The world of tiny particles is described extremely well by quantum theory, while the world of gra …
Physicists overcome fundamental limitation of acoustic levitation
Using sound to get objects to float works well if a single particle is levitated, but it causes multiple particles to collapse into a clump in mid-air. Physicists at the Institute of Science and Techn …
Synchrotron radiation sources: Toolboxes for quantum technologies
Synchrotron radiation sources generate highly brilliant light pulses, ranging from infrared to hard X-rays, which can be used to gain deep insights into complex materials.
Single-photon teleportation achieved between distant quantum dots for the first time
An international research team involving Paderborn University has achieved a crucial breakthrough on the road to a quantum internet. For the first time ever, the polarization state of a single photon …
Why your faucet drips: Water jet breakup traced to angstrom-scale thermal capillary waves
Some phenomena in our daily lives are so commonplace that we don't realize there could be some very interesting physics behind them. Take a dripping faucet: why does the continuous stream of wate …
On-demand electronic switching of topology achieved in a single crystal
University of British Columbia (UBC) scientists have demonstrated a reversible way to switch the topological state of a quantum material using mechanisms compatible with modern electronic devices. Pub …
New magnetic sensor material discovered using high-throughput experimental method
A NIMS research team has developed a new experimental method capable of rapidly evaluating numerous material compositions by measuring anomalous Hall resistivity 30 times faster than conventional meth …
Physicists create 'quantum wire' where mass and energy flow without friction or loss
In physical systems, transport takes many forms, such as electric current through a wire, heat through metal, or even water through a pipe. Each of these flows can be described by how easily the under …
Controlling quantum states in germanene using only an electric field
Researchers at the University of Twente and Utrecht University demonstrated for the first time that quantum states in the ultra-narrow material germanene can be switched on and off using only an elect …
High pressure increases terahertz emission 13-fold in 2D semiconductor GaTe, study reveals
A new study led by the Aerospace Information Research Institute of the Chinese Academy of Sciences, along with their collaborators, has demonstrated that high pressure can significantly enhance and pr …
New digital state of matter could help build stable quantum computers
Scientists have taken another major step toward creating stable quantum computers. Using a specialized quantum computer chip (an essential component of a quantum computer) as a kind of tiny laboratory …
Calibrating qubit charge to make quantum computers even more reliable
Quantum computers will be able to assume highly complex tasks in the future. With superconducting quantum processors, however, it has thus far been difficult to read out experimental results because m …
HIE-ISOLDE: Ten years, ten highlights
The Isotope Separator On-Line facility (ISOLDE) directs a proton beam from the Proton Synchrotron Booster (PSB) onto specially developed thick targets, producing low-energy beams of radioactive nuclei …
The case for an antimatter Manhattan project
Chemical rockets have taken us to the moon and back, but traveling to the stars demands something more powerful. Space X's Starship can lift extraordinary masses to orbit and send payloads throug …
Noise-proof quantum sensor uses three calcium ions held in place by electric fields
Researchers at the University of Innsbruck have shown that quantum sensors can remain highly accurate even in extremely noisy conditions. It's the first experimental realization of a powerful qua …
Dislocations without crystals: Burgers vectors discovered in glass
For nearly a century, scientists have understood how crystalline materials—such as metals and semiconductors—bend without breaking. Their secret lies in tiny, line-like defects called dislocations, wh …
Detecting strong-to-weak symmetry breaking might be impossible, study shows
When a system undergoes a transformation, yet an underlying physical property remains unchanged, this property is referred to as "symmetry." Spontaneous symmetry breaking (SSB) occurs when a …
Rapid X-ray pulses enable 100-fold efficiency boost for photoionization
Speed matters. When an X-ray photon excites an atom or ion, making a core electron jump onto a higher energy level, a short-lived window of opportunity opens. For just a few femtoseconds, before an el …