Heisenberg operator formulation of quantum mechanics

E119324

The Heisenberg operator formulation of quantum mechanics is a foundational approach in which observables evolve in time as operators while states remain fixed, providing a mathematically equivalent description to other formulations such as Schrödinger’s and the path integral.

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Predicate Object
instanceOf formulation of quantum mechanics
operator formalism
physical theory
alsoKnownAs Heisenberg operator formulation of quantum mechanics
surface form: Heisenberg picture

matrix mechanics
appliesTo continuous spectra systems
discrete spectra systems
finite-dimensional Hilbert spaces
infinite-dimensional Hilbert spaces
assumes Born rule in quantum mechanics
surface form: Born rule for probabilities

canonical commutation relations
conceptualAdvantage closely parallels classical Hamiltonian equations via commutators
emphasizes observable quantities
contrastsWith Schrödinger picture
interaction picture
coreIdea dynamics encoded in operator equations of motion
observables are represented by time-dependent operators
state vectors are time-independent
developedBy Max Born
Pascual Jordan
Werner Heisenberg
developedInYear 1925
equivalentTo Schrödinger formulation of quantum mechanics
path integral formulation of quantum mechanics
feature matrix representation of physical quantities
non-commuting observables
operator-valued functions of time
field quantum mechanics
governingEquation Heisenberg operator formulation of quantum mechanics self-linksurface differs
surface form: Heisenberg equation of motion

commutator form of dynamics
historicalPrecursorTo modern operator algebra approaches
influenced C*-algebraic formulations of quantum mechanics
Wightman axioms
surface form: algebraic quantum field theory

quantum field theory
postulate expectation values computed with fixed state vectors
measurement outcomes are eigenvalues of observables
physical observables correspond to Hermitian operators
relatedConcept Heisenberg operator formulation of quantum mechanics self-linksurface differs
surface form: Heisenberg picture in quantum field theory

uncertainty principle
surface form: Heisenberg uncertainty principle

commutator
operator algebra
timeEvolutionOperator unitary time-evolution operator
timeEvolutionRule O_H(t) = U†(t) O_S U(t)
usedIn many-body quantum physics
quantum optics
scattering theory
usesMathematicalObject Hilbert space
linear operators
self-adjoint operators
unitary operators

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Referenced by (19)

Full triples — surface form annotated when it differs from this entity's canonical label.

Feynman path integral equivalentTo Heisenberg operator formulation of quantum mechanics
Wick’s theorem holdsIn Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg picture of quantum field theory
Gell-Mann–Low theorem appliesTo Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg picture fields
Tomonaga–Schwinger equation usesConcept Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg picture
matrix mechanics timeEvolutionGivenBy Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg equation of motion
matrix mechanics formalismType Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg picture
matrix mechanics mathematicallyEquivalentTo Heisenberg operator formulation of quantum mechanics
this entity surface form: Schrödinger formulation of quantum mechanics
matrix mechanics influenced Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg picture of quantum field theory
matrix mechanics relatedConcept Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg matrix
Weyl algebra usedIn Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg representation
Heisenberg operator formulation of quantum mechanics alsoKnownAs Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg picture
Heisenberg operator formulation of quantum mechanics governingEquation Heisenberg operator formulation of quantum mechanics self-linksurface differs
this entity surface form: Heisenberg equation of motion
Heisenberg operator formulation of quantum mechanics relatedConcept Heisenberg operator formulation of quantum mechanics self-linksurface differs
this entity surface form: Heisenberg picture in quantum field theory
Schwinger–Dyson equations generalizes Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg equations of motion
Schrödinger equation relatedTo Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg picture
Schrödinger equation equivalentTo Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg equation of motion
Kubo formula formulatedIn Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg picture
Hamiltonian (time translation generator) appearsIn Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg picture
The Principles of Quantum Mechanics topic Heisenberg operator formulation of quantum mechanics
this entity surface form: Heisenberg picture