Abstract
We construct the quantum density matrix of a spin-1/2 state for three given probability distributions describing positions of three classical coins and associate its matrix elements with the Triada of Malevich’s squares. We present the superposition principle of spin-1/2 states in the form of a nonlinear addition rule for these classical coin probabilities. We illustrate the obtained formulas by the statement “God does not play dice – God plays coins.”
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Chernega, V.N., Man’ko, O.V. & Man’ko, V.I. God Plays Coins or Superposition Principle for Classical Probabilities in Quantum Suprematism Representation of Qubit States. J Russ Laser Res 39, 128–139 (2018). https://doi.org/10.1007/s10946-018-9699-z
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DOI: https://doi.org/10.1007/s10946-018-9699-z