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The Quantum Zeno Effect describes how frequent measurements can inhibit transitions in a quantum system; if a system is measured N times at intervals t/N over a total time t, the survival probability in the initial state is approximated by P(t) ≈ (1 - (t/(N * tau_0))^2)^N ≈ exp(-t^2/(N * tau_0^2)) for short times per interval.

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