Born series

E368819

The Born series is a perturbative expansion in quantum scattering theory that expresses the scattering amplitude as an infinite series of successive interaction terms.

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Born series canonical 1

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Predicate Object
instanceOf concept in quantum scattering theory
perturbative expansion
alsoUsedIn relativistic quantum field theory scattering
appearsIn standard quantum mechanics textbooks
standard scattering theory monographs
appliesTo Lippmann–Schwinger equation
quantum scattering from a potential
approximationOrder can be truncated at low order for weak potentials
assumes interaction treated as perturbation of free motion
convergenceCondition requires potential to be sufficiently weak or short-ranged
derivedFrom Lippmann–Schwinger equation
describes scattering amplitude
eachTermRepresents successive interaction with the scattering potential
expands S-matrix
surface form: T-matrix

scattering wavefunction
field quantum mechanics
scattering theory
firstTermCalled first Born approximation
hasForm infinite series of interaction terms
historicalContext introduced in early development of quantum scattering theory
mathematicalObject series in powers of the interaction potential
namedAfter Max Born
relatedConcept Born approximation in scattering theory
surface form: Born approximation

Dyson series
Green’s function in scattering theory
represents multiple scattering events
secondTermCalled second Born approximation
typicalDomain nonrelativistic quantum scattering
usedFor calculating differential scattering cross sections
calculating total scattering cross sections
usesMethod perturbation theory
validWhen higher-order terms are small compared to leading term

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Referenced by (1)

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

Born approximation in scattering theory relatedTo Born series
subject surface form: Born approximation