Time crystals may hold secret to coherence in quantum computing

ScienceDaily | 5/29/2018 | Staff
ashb0101 (Posted by) Level 3
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A time crystal is a structure that does not repeat in space, like normal three-dimensional crystals such as snowflakes or diamonds, but in time. In practice this means that crystals constantly undergo spontaneous change, breaking the symmetry of time by achieving a self-sustaining oscillation.

The value is in the time crystal's coherency, a property that allows temporal and spatial consistency, amounting to longevity otherwise not possible.

'Nature - System - Time - Senior - Scientist

'Nature has given us a system that wants to be coherent over time,' says Senior Scientist Vladimir Eltsov, leader of the ROTA research group at Aalto University.

'The system spontaneously begins to evolve in time coherently, over long periods of time, even infinitely long,' he shares.

Nature - Time - Crystal - Way - Real-world

With more understanding, the coherent nature of a time crystal may pave the way for eventual real-world applications. Researchers are hunting for systems that preserve coherence over the long term to make, for example, quantum information processing devices, but they struggle with sources resistant to decay.

Until recently, there has been little experimental evidence of the phenomenon. Physicists around the world have been racing to determine if -- and how -- these unique structures can be observed.

Lot - Papers - Practical

'There has been a lot of theoretical papers, but very few practical...
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