Wednesday, September 4, 2013

Can matter cycle through shapes eternally? : Nature News & Comment

Can matter cycle through shapes eternally? : Nature News & Comment: Wilczek's latest paper outlines another, perhaps simpler, scheme for making a time crystal. It starts with two chunks of superconductor connected by a nonsuperconductor. This device,called a Josephson junction, can create fluctuations in currents if an external voltage is applied. Wilczek argues that merely breaking the contact between the superconductors could create the type of fluctuations that characterize a time crystal.

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