One of the most successful, yet most puzzling, structures of quantum mechanics is Born's rule:P(x,t)=|Ψ(x,t)|^2.It establishes, with extraordinarily high experimental accuracy, the connection between the quantum wave function and the statistical distribution of actual measurement outcomes. Yet a more fundamental question remains worth asking: Why is probability given precisely by the modulus squared of the complex wave amplitude? Standard quantum mechanics uses Born's rule as a fundamental rule. This paper instead poses an open research question: Could Born's rule be not an irreducible probabilistic axiom, but a statistical emergence resulting from the combined action of continuous wave-amplitude superposition, quantized energy exchange, and local interaction dynamics? We propose a candidate physical picture:wave-amplitude superposition->spatial interference structure->local interaction->quantized energy exchange->discrete events}->probability distribution The central mathematical question is Γ(x){?}{∝}|Ψ(x)|^2 where Γ(x) denotes the occurrence rate of localized discrete detection events. This paper does not claim to have completed such a derivation. Instead, it explicitly formulates the problem as an open, computable, testable, and falsifiable research challenge. We particularly invite young physicists, mathematicians, and researchers skilled in AI and modern computational tools to explore this problem.
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Li et al. (2026) studied this question.
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