Post Thumb

Physicists Aim to Classify All Possible Phases of Matter | Quanta Magazine

A complete classification could lead to a wealth of new materials and technologies. But some exotic phases continue to resist understanding.

Post Thumb

Deathblow Dealt to Dark Matter Disks | Quanta Magazine

New data tracking the movements of millions of Milky Way stars have effectively ruled out the presence of a “dark disk” that could have offered important clues

Post Thumb

Dark matter: The mystery substance physics still can’t identify that makes up the majority of our universe

Cosmologists are heading back to their chalkboards as the experiments designed to figure out what this unknown 84 percent of our universe actually is come up empty.

Post Thumb

Do Neutrinos Explain Matter-Antimatter Asymmetry? | Quanta Magazine

A hint that neutrinos behave differently than antineutrinos suggests an answer to one the biggest questions in physics.

Post Thumb

New insights on dark energy

The universe is not only expanding – it is accelerating outward, driven by what is commonly referred to as “dark energy.” The term is a poetic analogy to label for dark matter, the mysterious material that dominates the matter in the universe and that really is dark because it does not radiate light (it reveals itself via its gravitational influence on galaxies). Two explanations are commonly advanced to explain dark energy. The first, as Einstein once speculated, is that gravity itself causes objects to repel one another when they are far enough apart (he added this “cosmological constant” term to his equations). The second explanation hypothesizes (based on our current understanding of elementary particle physics) that the vacuum has properties that provide energy to the cosmos for expansion.

Post Thumb

Simulation of chiral edge states in a quantum system

Researchers in Florence and Innsbruck have simulated a physical phenomenon in an atomic quantum gas that can also be observed at the edge of some condensed matter systems: chiral currents. The scientists have published the experiment, which will open new doors for the study of exotic states in condensed matter, in the journal Science.

Post Thumb

Two quantum properties teleported together for first time – physicsworld.com

Spin and orbital angular momentum transferred between photons