News tagged with quantum physics

Entanglement made tangible

EPFL scientists have designed a first-ever experiment for demonstrating quantum entanglement in the macroscopic realm. Unlike other such proposals, the experiment is relatively easy to set up and run with existing semiconductor ...

Sep 30, 2014
4.8 / 5 (12) 2

Simulation sets atoms shivering

(Phys.org) —In "Harry Potter and the Sorcerer's Stone" (JK Rowling, 1997), Harry, Ron, and Hermione encounter a massive stone chessboard, one of many obstacles in their path. To advance, they must play, ...

Sep 23, 2013
4.7 / 5 (12) 4 | with audio podcast

The sound of an atom has been captured

Researchers at Chalmers University of Technology are first to show the use of sound to communicate with an artificial atom. They can thereby demonstrate phenomena from quantum physics with sound taking on ...

Sep 11, 2014
4 / 5 (14) 3

Putting the squeeze on quantum information

Canadian Institute for Advanced Research researchers have shown that information stored in quantum bits can be exponentially compressed without losing information. The achievement is an important proof of principle, and could ...

Sep 25, 2014
5 / 5 (11) 0

Penetrating the quantum nature of magnetism

Antiferromagnets are materials that lose their apparent magnetic properties when cooled down close to absolute zero temperature. Different to conventional magnets, which can be described with classical physics ...

Jun 17, 2013
4.9 / 5 (11) 1 | with audio podcast

A non-causal quantum eraser

Whether a quantum object behaves like a wave or like a particle depends (according to the Copenhagen interpretation) on the choice of measurement apparatus used for observing the system, and therefore on ...

Jan 09, 2013
4.4 / 5 (11) 54 | with audio podcast