In leap for quantum computing, silicon quantum bits establish a long-distance relationship

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Researchers at Princeton University have made an important step forward in the quest to build a quantum computer using silicon components, which are prized for their low cost and versatility compared to the hardware in today’s quantum computers.
https://www.princeton.edu/news/2019/12/30/leap-quantum-computing-silicon-quantum-bits-establish-long-distance-relationship

silicon-spin quantum bit
Researchers at Princeton University have made an important step forward in the quest to build a quantum computer using silicon components, which are prized for their low cost and versatility compared to the hardware in today’s quantum computers. The team showed that a silicon-spin quantum bit (shown in the box) can communicate with another quantum bit located a significant distance away on a computer chip. The feat could enable connections between multiple quantum bits to perform complex calculations.
Image by Felix Borjans