Recycling entanglement makes teleportation potentially more usable, say researchers
(Source: Steve Jurvetson/Flickr)

Making teleportation ‘fuel-efficient’

Monday, 21 January 2013
Stephen Pincock

Teleportation, so familiar to science fiction fans, may have come a small step closer thanks to research by a team of physicists in the United Kingdom.

Over the past decade, scientists have shown that the powerful connections generated between particles through the quantum law of ‘entanglement’ could allow information to be teleported.

Now, PhD student Sergii Strelchuk from the University of Cambridge, and others, have described a scheme that would make such teleportation more practical and efficient.

In their paper, published in the journal Physical Review Letters, the researchers explain that previous teleportation protocols have fallen into one of two categories. Some only send scrambled information requiring correction by the receiver, while more recent “port-based” teleportation schemes don’t require a correction, but need an impractical amount of entanglement, which would destroy the entangled state.

In the new research, physicists provide a theoretical solution in which the entangled state is recycled.

Read more: Making teleportation 'fuel-efficient' › News in Science (ABC Science).

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