Quantum particles of different energies sense different properties of spacetime. The effect is similar to the dispersion of light in prism: photons of different energies sense the same prism as having slightly different properties. (Source: FUW, jch) Credit: Source: FUW, jch
When white light is passed through a prism, the rainbow on the other side reveals a rich palette of colors. Theorists from University of Warsaw have shown that in models of the Universe using any of the quantum theories of gravity there must also be a ‘rainbow’ of sorts, composed of different versions of spacetime. The mechanism predicts that instead of a single, common spacetime, particles of different energies essentially sense slightly modified versions thereof.
We have probably all seen the experiment: when white l...
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