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Quantum Physics news

Scientists set quantum speed limit

University of California, Berkeley, scientists have proved a fundamental relationship between energy and time that sets a "quantum speed limit" on processes ranging from quantum computing and tunneling to ...

Jan 22, 2015
4.7 / 5 (40) 8

Atoms can be in two places at the same time

Can a penalty kick simultaneously score a goal and miss? For very small objects, at least, this is possible: according to the predictions of quantum mechanics, microscopic objects can take different paths ...

Jan 20, 2015
4.8 / 5 (56) 52

Improved interface for a quantum internet

A quantum network requires efficient interfaces over which information can be transferred from matter to light and back. In the current issue of Physical Review Letters, Innsbruck physicists led by Rainer ...

Jan 15, 2015
5 / 5 (17) 0

A qubit candidate shines brighter

In the race to design the world's first universal quantum computer, a special kind of diamond defect called a nitrogen vacancy (NV) center is playing a big role. NV centers consist of a nitrogen atom and ...

Dec 29, 2014
4.6 / 5 (25) 1

Quantum physics just got less complicated

Here's a nice surprise: quantum physics is less complicated than we thought. An international team of researchers has proved that two peculiar features of the quantum world previously considered distinct ...

Dec 19, 2014
4.5 / 5 (203) 119

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Nanoscale resistors for quantum devices

Researchers from the London Centre for Nanotechnology have made new compact, high-value resistors for nanoscale quantum circuits. The resistors could speed the development of quantum devices for computing ...

Standalone wireless info display device an easy fit

Brazil finds coffee protein with morphine effect

Technology improves avalanche gear for backcountry skiers

Elon Musk's SpaceX drops lawsuit against Air Force

Study narrows the scope of research on quantum computing

According to many scientists, quantum computers will have great importance in the future but, despite all efforts, research in this field is still in its infancy. One of the difficulties is understanding what criteria a quantum ...

Spiral laser beam creates quantum whirlpool

(Phys.org) —Physicists at Australian National University have engineered a spiral laser beam and used it to create a whirlpool of hybrid light-matter particles called polaritons.

Shaking the topological cocktail of success

Graphene is the miracle material of the future. Consisting of a single layer of carbon atoms arranged in a honeycomb lattice, the material is extremely stable, flexible, highly conductive and of particular ...

British Ebola nurse discharged from hospital

Physicists find a new way to slow the speed of light

Are aliens watching old TV shows?

Sonic booms in nerves and lipid membranes

Why is Andromeda coming toward us?

The Wild West of physics

Two photons strongly coupled by glass fiber

Usually, light waves do not interact with each other. Coupling of photons with other photons is only possible with the help of special materials and very intense light. Scientists in Vienna have now created ...

Peering into cosmic magnetic fields

Greenland Ice: The warmer it gets the faster it melts

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