News tagged with quantum information

Quantum copies do new tricks

One of the strange features of quantum information is that, unlike almost every other type of information, it cannot be perfectly copied. For example, it is impossible to take a single photon and make a number of photons ...

Mar 22, 2012
4.2 / 5 (13) 22 | with audio podcast

Single atom stores quantum information

(PhysOrg.com) -- A data memory can hardly be any smaller: researchers working with Gerhard Rempe at the Max Planck Institute of Quantum Optics in Garching have stored quantum information in a single atom. ...

May 02, 2011
5 / 5 (12) 4 | with audio podcast

New record in quantum communications

(Phys.org)—Researchers from The Australian National University have taken a quantum leap towards developing the next-generation super-fast networks needed to drive future computing.

Aug 30, 2012
5 / 5 (13) 1 | with audio podcast

Quantum engines must break down

Our present understanding of thermodynamics is fundamentally incorrect if applied to small systems and needs to be modified, according to new research from University College London (UCL) and the University of Gdańsk. The ...

Jun 26, 2013
4.8 / 5 (21) 1 | with audio podcast

A new model for quantum noise

The National Physical Laboratory (NPL) has published research in Nature Communications that updates one of the most fundamental concepts in the physics of quantum electronic devices - the standard tunnel ...

Jun 18, 2014
4.5 / 5 (6) 2

Two molecules communicate via single photons

Scientists realize one of the most elementary and oldest "gedanken" experiments in modern physics, namely, excitation of a single molecule with a single photon. This paves the way for further investigations ...

Feb 28, 2012
5 / 5 (12) 0 | with audio podcast