Physics

All-nitride superconducting qubit made on a silicon substrate

Researchers have succeeded in developing an all-nitride superconducting qubit using epitaxial growth on a silicon substrate that does not use aluminum as the conductive material. This qubit uses niobium nitride (NbN) with a superconducting transition temperature of 16 K (-257 °C) as the electrode material, and aluminum nitride (AlN) for the insulating layer of the Josephson junction. It is a new type of qubit made of all-nitride materials grown epitaxially on a silicon substrate and free of any amorphous oxides, which are a major noise source.

The nanophotonics orchestra presents: Twisting to the light of nanoparticles

Physics researchers discover a new physical effect relating to the interactions between light and twisted materials -- an effect that is likely to have implications for emerging new nanotechnologies in communications, nanorobotics and ultra-thin optical components.

Fiber tracking method delivers important new insights into turbulence

Whether it's heart murmurs and pipeline transport of oil, or bumpy airplanes and the dispersal of pollutants, turbulence plays an important role in many everyday events. But despite being commonplace, scientists still don't fully understand the seemingly unpredictable behavior of the swirls and eddies in turbulent flows.

Effect of electrons with negative mass in novel semiconductor nanostructures

A large international research collaboration led by Dr. Kai-Qiang Lin and Professor John Lupton from the Institute of Experimental and Applied Physics at the University of Regensburg has been able to measure the effect of electrons with negative mass in novel semiconductor nanostructures. The international team includes scientists from Berkeley and Yale (U.S.), Cambridge (England) and Tsukuba (Japan).

New physics research reveals fresh complexities about electron behavior in materials

When electrons flow through a conductor—such as the copper wires in our phone chargers or the silicon chips in the circuit boards of our laptops—they collide with material impurities and with each other in a tiny atomic frenzy. Their interaction with impurities is well known.

Inspiration4, The First All-Civilian Spaceflight, is Now in Orbit

The SpaceX mission seeks to raise some $200 million dollars for St. Jude Children's Research Hospital.

The first glimpse of hydrodynamic electron flow in 3D materials

A team of researchers has developed a theory to explain how hydrodynamic electron flow could occur in 3D materials and observed it for the first time using a new imaging technique.

Scientists take a closer look inside the perfect fluid

Scientists have reported new clues to solving a cosmic conundrum: How the quark-gluon plasma—nature's perfect fluid—evolved into matter.

How glacier tables are formed

A trio of researchers at the University of Lyon, has learned via lab experimentation how glacier tables are formed. Marceau Hénot, Nicolas Plihon and Nicolas Taberlet have published their findings in Physical Review Letters.

Michio Kaku Shares About His Lifelong Quest for a 'Theory of Everything'

The theoretical physicist talks about the book that even Albert Einstein couldn't finish, the inner-workings of the multiverse and the long-sought effort to unite all the forces of nature in a single equation.

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