Scientists state the seemingly wave-like interference of light has a deeper quantum origin in the form of bright and dark photon states.
When two or more light waves interact with one another, they result in the formation of different interference patterns. British physicist Thomas Young first demonstrated and explained these patterns in the year 1801, with his famous double-slit experiment.Even after over 200 years of their discovery, light interference continues to intrigue scientists.
The researchers realized that this same idea could be applied not just to atoms, but to the light fields themselves.So, the new study suggests that bright states are situations where photons are arranged in a way that allows them to interact with matter, producing detectable effects like exciting an atom. Dark states, on the other hand, are configurations where photons are still present but do not interact, making them invisible to usual detection methods.
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