News tagged with quantum dots

Long-range tunneling of quantum particles

The quantum tunnel effect manifests itself in a multitude of well-known phenomena. Experimental physicists in Innsbruck, Austria, have now directly observed quantum particles transmitting through a whole ...

Jun 12, 2014
5 / 5 (21) 0

Probing the sound of a quantum dot

(Phys.org) —Physicists at the University of Sydney have discovered a method of using microwaves to probe the sounds of a quantum dot, a promising platform for building a quantum computer.

Apr 24, 2014
5 / 5 (6) 0

Quantum dots provide complete control of photons

By emitting photons from a quantum dot at the top of a micropyramid, researchers at Linköping University are creating a polarized light source for such things as energy-saving computer screens and wiretap-proof ...

Jan 31, 2014
4.8 / 5 (16) 2 | with audio podcast

Quantum dots make efficient decisions

Even the simplest forms of life face an endless barrage of decisions—where to search for sustenance, for example, or how to avoid predators. Various mathematical models can mimic these decision-making processes, ...

Nov 22, 2013
4.2 / 5 (6) 0 | with audio podcast

Atom-based analogues to electronic devices

Scientists have pushed back the boundaries of atom-based transport, creating a current by characterizing the many-body effects in the transport of the atoms along a periodic lattice. This work by Anton Ivanov ...

Sep 03, 2013
4 / 5 (4) 0 | with audio podcast

New nanomaterial increases yield of solar cells

Researchers from the FOM Foundation, Delft University of Technology, Toyota Motor Europe and the University of California have developed a nanostructure with which they can make solar cells highly efficient. ...

Aug 26, 2013
4.6 / 5 (23) 5 | with audio podcast