Review of the Quantum Mechanical Measurement Problem

Eugene Paul Wigner

Eugene Paul Wigner

H. W. L. Naus

Chloe Tully

The Counterintuitive Foundations of Quantum Mechanics: A Review of Ten Empirical Anomalies Scientific Review C J Tully Independent Researcher https://orcid.org/0009-0007-5661-7332 10th October 2026 Abstract Quantum mechanics (QM) constitutes the most empirically successful physical theory in the history of science, yet its foundational axioms systematically violate classical intuitions regarding locality, causality, determinism, and the independent reality of physical systems. This paper reviews ten of the most profound experimentally verified quantum phenomena: superposition, entanglement and non-locality, wave-particle complementarity, the uncertainty principle, quantum tunneling, the measurement problem, quantum vacuum fluctuations, quantum teleportation, the quantum Zeno effect, and decoherence. For each anomaly we present the relevant mathematical formalism within the Hilbert-space formulation, the decisive empirical evidence, and the residual conceptual tension with classical expectations. We conclude with a discussion of the ontological implications of a non-empty vacuum state in quantum field theory and the status of the measurement problem, arguing that these features are not paradoxes but constitutive elements of a fundamentally quantum reality. Keywords: quantum mechanics; superposition; entanglement; measurement problem; decoherence; quantum vacuum; Bell inequality

Valia Allori

This is a brief review of the history and development of quantum theories. Starting from the experimental findings and theoretical results which marked the crisis of the classical framework, I overview the rise of axiomatic quantum mechanics through matrix and wave mechanics. I discuss conceptual problems such as the measurement problem that led scientific realists to explore other, more satisfactory, quantum theories, as well as Bell’s theorem and quantum nonlocality, concluding with a short review of relativistic theories.

修三 小川