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Mixing laser beams and X-ray beams

Unlike fictional laser swords, real laser beams do not interact with each other when they cross—unless the beams meet within a suitable material allowing for nonlinear light-matter interaction. In such a case, wave mixing ...

Flow of liquid metals found to exhibit surprising turbulence

Some metals are in liquid form, the prime example being mercury. But there are also enormous quantities of liquid metal in the Earth's core, where temperatures are so high that part of the iron is molten and undergoes complex ...

Ghostly 'mirror world' might be cause of cosmic controversy

New research suggests an unseen "mirror world" of particles that interacts with our world only via gravity that might be the key to solving a major puzzle in cosmology today—the Hubble constant problem.

Quasi-symmetry in CoSi reveals new type of topological material

Ever since the discovery of the quantum Hall effect (Nobel Prize 1985), symmetry has been the guiding principle in the search for topological materials. Now an international team of researchers from Germany, Switzerland, ...

Spin keeps electrons in line in iron-based superconductor

Researchers from PSI's Spectroscopy of Quantum Materials group together with scientists from Beijing Normal University have solved a puzzle at the forefront of research into iron-based superconductors: the origin of FeSe's ...

Light-controlled reactions at the nanoscale

Controlling strong electromagnetic fields on nanoparticles is the key to triggering targeted molecular reactions on their surfaces. Such control over strong fields is achieved via laser light. Although laser-induced formation ...

How to explain localized gap modes in Bose-Einstein condensates

Bose-Einstein condensates (BECs), created in ultracold bosonic atoms and degenerate quantum gases, are a macroscopic quantum phenomenon and are considered as a single particle in mean-filed theory. By preparing the BECs or ...

Blurring the boundary between Floquet matter and metamaterials

Metamaterials—artificial media with tailored subwavelength structures—have now encompassed a broad range of novel properties that are unavailable in nature. This field of research has stretched across different wave platforms, ...

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Quantum Physics
First direct observation of the dead-cone effect in particle physics
Condensed Matter
Remarkably strong pairing of charge carriers in bilayer antiferromagnetic Mott insulators
Quantum Physics
Quantum key distribution network accurately measures ground vibration
General Physics
Insights to better characterize the nuclear physics and extreme environments of cosmic explosions
Quantum Physics
Ultracold bubbles on space station open new avenues of quantum research
Optics & Photonics
Physicists shine new light on an old quantum optics problem about collective behavior
Condensed Matter
A new law unchains fusion energy
General Physics
Rocket engine exhaust pollution extends high into Earth's atmosphere
General Physics
Identification of kick velocity large enough for individual gravitational wave event following binary black hole merger
Optics & Photonics
An intelligent quantum sensor that simultaneously detects the intensity, polarization and wavelength of light
Optics & Photonics
New algorithm approach paves the way for larger, more complex metalenses
General Physics
Aerodynamics of perching birds could inform aircraft design
Optics & Photonics
New metasurface-based device creates different images depending on light and environmental conditions
Superconductivity
Band crossover and magnetic phase diagram of superconducting Ba2CuO4-δ
General Physics
Searching for cosmic-ray boosted sub-GeV dark matter using data from the PandaX-II experiment
Optics & Photonics
Shaping the future of light through reconfigurable metasurfaces
Quantum Physics
Quantum magnets in motion
Condensed Matter
Cooling a gas of magnetic atoms to create large two-dimensional supersolids
General Physics
'Coarse-graining' can help scientists understand complex microbial ecosystems, theory suggests
Plasma Physics
French scientist leading nuclear fusion project dies at 72

Other news

Nanomaterials
Long-hypothesized 'next generation wonder material' created for first time
Space Exploration
Webb telescope nearly set to explore the solar system
Astronomy
New spin on galaxy rotation saves controversial gravity theory
Political science
Are Republicans and Democrats driven by hatred of one another? Less than you think
Plants & Animals
An exploration of global patterns of trade in arachnids reveals 1,264 species from 66 families
Molecular & Computational biology
MCM molecules impede the formation of DNA loops
Evolution
Developmental origin of the adrenal cortex in humans and cynomolgus monkeys
Analytical Chemistry
Researchers unveil a secret of stronger metals
Archaeology
How seascapes of the ancient world shaped the genetic structure of European populations
Plants & Animals
The snake trade in Indonesia is not sustainable enough—but it could be
Archaeology
Prehistoric faeces reveal parasites from feasting at Stonehenge
Cell & Microbiology
Research reveals surprising inactivation mechanism for a voltage-gated ion channel
Paleontology & Fossils
What the new Jurassic Park movie gets wrong: Aerodynamic analysis causes a rethink of the biggest pterosaur
Analytical Chemistry
Researchers detect a novel binding mechanism between small and gigantic particles
Plants & Animals
Promoting diversity in reforestation shown to increase productivity
Cell & Microbiology
Function follows form in plant immunity
Environment
The role of vegetation in reducing thermal stress in urban areas
Biotechnology
New process revolutionizes microfluidic fabrication
Cell & Microbiology
Deep visual proteomics technology provides cell-specific, protein-based information to analyze cancer
Evolution
Proposed global initiative to study female health across species

Astrophysicists theorize a new type of neutron star

A pair of researchers, one with Manly Astrophysics, the other with Universidad de Murcia, has proposed the existence of a new type of neutron star. In their paper published in the journal Physical Review Letters, Arthur Suvorov ...

Researchers find a new way to measure flying baseballs

As the Major League Baseball season gets underway, a burning question for many fans of the third most popular sport in the United States is how many homeruns they will see this season. 

Novel framework for classifying chaos and thermalization

One popular example of chaotic behavior is the butterfly effect—a butterfly may flap its wings in somewhere in the Atlantic Ocean and cause a tornado in Colorado. This remarkable fable illustrates how the extreme sensitivity ...