Researchers discover a new form of light

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Researchers discover a new form of light
by Chuck Bednar

In a breakthrough that has the potential to alter our understanding of the fundamental nature of light, scientists from the Trinity College Dublin School of Physics and the CRANN Institute in Ireland have discovered a never before seen new form of luminescence.

Previously, it was believed angular momentum, a vector quantity which expresses the amount of dynamical rotation present in a beam of light, would always be a multiple of Planck’s constant (a physical constant which sets the scale of quantum effects), regardless of the light’s form.

However, in a new paper published in a recent edition of the journal Science Advances, Trinity College PhD graduate Kyle Ballantine, Professor Paul Eastham and their colleagues reported that they had demonstrated a new type of light where the angular momentum of each particle takes on only half of this value…

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