The Dynamics of Decoherence
“Entanglement is a fascinating property connecting quantum systems. Albert Einstein
called it the ‘spooky action at a distance’. This bizarre coupling can link particles, even if they are located on opposite sides of the galaxy. The strength of their connections is behind the promising quantum computers, the dream machines capable of quick and efficient computations.
The team lead by Rainer Blatt at the Institute of Experimental Physics of the University of Innsbruck has been working very successfully towards the realization of a quantum computer. In their recent study, these physicists exposed four entangled ions to a noisy environment. ‘At the beginning the ions showed very strong connections,’ says Julio Barreiro. ‘When exposed to the disturbing environment, the ions started a journey to the classical world. In this journey, their entanglement showed a variety of flavors or properties.'”