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Physics

Probing the secrets of superstrings

By Amarendra Swarup

31 May 2006

AN EXOTIC type of quantum matter could help test fundamental theories of nature, such as string theory, that are beyond the reach of today’s experiments.

So say Don Colladay and Patrick McDonald at the New College of Florida, who have examined how any deviations from Einstein’s theory of relativity would be reflected in Bose-Einstein condensates. These “super-atoms” form when quantum particles with the same energy clump together at temperatures close to absolute zero.

Relativity is one of the foundations of modern physics. At its heart lies the assumption that the laws of physics are the same for everyone, everywhere in…

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