time-independent perturbation theory

URI: https://gptkb.org/entity/time-independent_perturbation_theory
GPTKB entity
Statements (23)
Predicate Object
gptkbp:instanceOf gptkb:quantum_mechanics_concept
gptkbp:appliesTo systems with small perturbations
gptkbp:assumes Hamiltonian split into unperturbed and perturbation parts
gptkbp:describedBy standard quantum mechanics textbooks
gptkbp:developedBy gptkb:Erwin_Schrödinger
gptkb:Paul_Dirac
gptkbp:extendsTo gptkb:degenerate_perturbation_theory
gptkbp:field quantum mechanics
gptkbp:firstOrderCorrection linear in perturbation
gptkbp:form gptkb:series_expansion
gptkbp:limitation breaks down for degenerate states
valid for small perturbations
gptkbp:relatedTo gptkb:Rayleigh–Schrödinger_perturbation_theory
gptkb:time-dependent_perturbation_theory
gptkbp:secondOrderCorrection quadratic in perturbation
gptkbp:usedFor approximating eigenstates
approximating eigenvalues
gptkbp:usedIn atomic physics
molecular physics
solid-state physics
gptkbp:bfsParent gptkb:time-dependent_perturbation_theory
gptkbp:bfsLayer 6
https://www.w3.org/2000/01/rdf-schema#label time-independent perturbation theory