News tagged with quantum systems

Quantum entanglement only dependent upon area

Two researchers at UCL Computer Science and the University of Gdansk present a new method for determining the amount of entanglement – a quantum phenomenon connecting two remote partners, and crucial for quantum technology ...

Sep 15, 2013
4.9 / 5 (18) 4 | with audio podcast

Quantum particles find safety in numbers

Ludwig Maximilian University of Munich researchers have uncovered a novel effect that, in principle, offers a means of stabilizing quantum systems against decoherence. The discovery could represent a major step forward for ...

Oct 16, 2013
4.9 / 5 (53) 4 | with audio podcast

Strange physics turns off laser

Inspired by anomalies that arise in certain mathematical equations, researchers have demonstrated a laser system that paradoxically turns off when more power is added rather than becoming continuously brighter.

Jun 17, 2014
5 / 5 (12) 5

Smallest vibration sensor in the quantum world

Carbon nanotubes and magnetic molecules are considered building blocks of future nanoelectronic systems. Their electric and mechanical properties play an important role. Researchers of Karlsruhe Institute ...

Mar 15, 2013
5 / 5 (4) 0 | with audio podcast

Playing quantum tricks with measurements

A team of physicists at the University of Innsbruck, Austria, performed an experiment that seems to contradict the foundations of quantum theory—at first glance. The team led by Rainer Blatt reversed a ...

Feb 15, 2013
3.9 / 5 (15) 141 | with audio podcast

HP Labs find memristors can compute (w/ Video)

(PhysOrg.com) -- Researchers at HP Labs, the central research arm of HP, have discovered that a resistor with memory, a “memristor” can also perform logic operations. This means chips storing data may ...

Apr 09, 2010 report
4.9 / 5 (45) 13 | with audio podcast

Exotic symmetry seen in ultracold electrons

(PhysOrg.com) -- An exotic type of symmetry - suggested by string theory and theories of high-energy particle physics, and also conjectured for electrons in solids under certain conditions - has been observed ...

Jan 18, 2010
4.8 / 5 (30) 4 | with audio podcast