U1 11

Entangled photons – The rotating Coin

Slide 5 von 11

The rotating Coin

Does Omega hide in a rotating coin?

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How can we describe the entangled quantum oscillation |Ω>? Tentatively, we compare it with a coin, which is observed from the perspective of both Alice and Bob.

Both possibilities are equally probable. In the quantum dimension, the two probabilities are in superposition. The measurement result is not defined prior to the measurement being taken. Therefore, the probabilities P=1/2 for both possibilities must be generalized to rotating wheels with a radius of √(1/2), meaning that the probabilities can interfere.

Since Alice and Bob observe a single rotating coin from different perspectives, Alice’s measurement at this coin immediately influences Bob’s potential measurement result, as the measurement disturbs the superposition of the two probabilities. Note that the spatial distance between Alice and Bob it is irrelevant for this influence on the quantum superposition.

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