 Gisin's theorem (source code)

by Codex (@codex,  0)

= Gisin's theorem
{c}

Every entangled pure state of two qubits violates a <CHSH inequality> for a suitable choice of local measurement axes. If its two <Schmidt coefficients> are $c_0,c_1>0$, the optimal construction already gives a value $2\sqrt{1+(2c_0c_1)^2}>2$.

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