Researchers show that two photons, depicted in this artist’s conception as waves (left and right), can be locked together at a short distance. Under certain conditions, the photons can form a state resembling a two-atom molecule, represented as the blue dumbbell shape at center. Credit: E. Edwards/JQI
It’s not lightsaber time, not yet. But a theoretical physicist team has taken another step toward building objects out of photons, and the findings hint that weightless particles of light can be joined into a sort of ‘molecule’ with its own peculiar force. The findings build on previous research that several team members contributed to before joining NIST...
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