Born statistical interpretation

E368818

The Born statistical interpretation is the quantum-mechanical view that a system’s wave function encodes probabilities for measurement outcomes rather than definite physical properties.

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Predicate Object
instanceOf interpretation of quantum mechanics
probabilistic interpretation
addressesProblem connection between wave function and measurement statistics
appliesTo nonrelativistic quantum mechanics
quantum states
wave packets
assumes normalization of the wave function
probabilities sum to one
category foundations of quantum mechanics
philosophy of physics
compatibleWith Hilbert space formalism of quantum mechanics
operator eigenvalue–eigenvector link
contrastsWith classical determinism
hidden variable theories
many-worlds interpretation
pilot-wave theory
coreConcept measurement outcome
probability amplitude
probability density
wave function
emphasizes role of measurement in defining outcomes
statistical character of quantum predictions
field quantum mechanics
theoretical physics
hasConsequence indeterminism at the level of single events
predictability of ensemble averages
historicalProponent Max Born
implies individual measurement outcomes are not determined by the wave function alone
only ensemble statistics are directly described by the wave function
influenced standard textbook formulation of quantum mechanics
influencedBy experimental scattering data
wave–particle duality experiments
involvesConcept projection postulate
quantum measurement postulates
mathematicalFormulation P(a_i)=|⟨a_i|ψ⟩|^2 for discrete eigenvalues
P(x)=|ψ(x)|^2 for position measurements
namedAfter Max Born
publishedIn Zeitschrift für Physik
relatedTo Copenhagen interpretation of quantum mechanics
surface form: Copenhagen interpretation
relatesQuantity modulus squared of the wave function
probability density in configuration space
statesThat measurement results are intrinsically probabilistic
only probabilities of outcomes are predictable
the wave function does not represent definite physical properties
the wave function encodes probabilities for measurement outcomes
usesRule Born rule in quantum mechanics
surface form: Born rule
yearProposed 1926

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Born rule in quantum mechanics alsoKnownAs Born statistical interpretation
subject surface form: Born rule