Posts Tagged 'quantum mechanics'

Quantum Gas Temperature Goes Below Absolute Zero

Energy distribution of atoms in a thermal state. Positive absolute temperatures above, in blue; negative absolute temperatures below, in red. Credit: LMU/MPQ Munich

Physicists have been able to create an atomic gas that can attain a temperature below absolute zero, -273.15˚C. They were able to create this gas using negative-Kelvin materials and new quantum devices.

Read more @ SciTechDaily

Photon Devices Could Outperform Traditional Computers

Photon Devices Will Outperform Traditional Computers

Quantum computers will be able to perform tasks that silicon-based computers wouldn’t be able to do, like cracking the codes that protect bank transactions. Several research teams have revealed solid evidence that quantum physics does embody a level of complexity that classical computers could never match. The new devices these groups have built are much simpler to build than quantum computers but could some day perform some of the same tasks.

Read more @ SciTechDaily

Discovery of Magnetic Field That Can Flip Heat Flow

Josephson-heat-interferometer

Scientists discovered a magnetic field that can control the flow of heat from one body to another. It was first predicted 50 years ago, and its effect could someday lead to a new generation of electronic devices that use heat rather than charge to carry information.

Read more @ SciTechDaily

Samarium Hexoboride Behaves Like a Topological Insulator

samarium-hexoboride

Samarium hexoboride, a compound that had been poorly understood and that can gain conducting properties at very low temperatures, may be a topological insulator in its bulk form, conducting electricity on its surface while the rest of the material behaves like an insulator.

Read more @ SciTechDaily

The Quantum Teleportation Race Goes Into Space in 2016

quantum-teleportation-space-race

Three years ago, Jian-Wei Pan and his colleagues were able to quantum teleport information across 16 kilometers. This was one of the first major steps to the research team’s ultimate goal of teleporting photons to a satellite orbiting the Earth.

Read more @ SciTechDaily

Experiment Using Photons Could Detect Quantum-Scale Black Holes

quantum-gravity-granularity-space

A new tabletop experiment using a single photon was proposed to show whether space-time is made up of indivisible units. Space isn’t smooth, and physicists think that on the quantum scale, it is composed of indivisible subunits, like the dots of a pointillist drawing. This pixelated landscape is thought to be populated by black holes, smaller than one trillionth of one trillionth of the diameter of a hydrogen atom, which continuously pop in and out of existence.

Read more @ SciTechDaily

Truant Particles Dash Hopes of Clues to Supersymmetry from LHC

supersymmetry-no-clues-lhc
While Sherlock Holmes might have stated that the absence of any evidence is evidence itself, theoretical physicists haven’t yet been able to find any inkling to confirm supersymmetry (SUSY), a theory which predicts that every Standard-Model particle has a heavier partner. The reason why SUSY is so important is because it would be a step forward towards a grand unified theory of particles and forces.

Read more @ SciTechDaily


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