path integral formulation

URI: https://gptkb.org/entity/path_integral_formulation

GPTKB entity

Predicate	Object
gptkbp:instanceOf	physical phenomenon quantum mechanics formalism
gptkbp:alternativeTo	gptkb:Schrödinger_equation gptkb:Heisenberg_picture
gptkbp:appliesTo	gptkb:statistical_mechanics gptkb:quantum_chromodynamics condensed matter physics quantum electrodynamics
gptkbp:basisFor	gptkb:Euclidean_field_theory gptkb:quantum_field_theory gptkb:string_theory gptkb:lattice_gauge_theory
gptkbp:describes	gptkb:quantum_field_theory quantum mechanics
gptkbp:developedBy	gptkb:Richard_Feynman
gptkbp:form	gptkb:Wick_rotation partition function Feynman diagram propagator
https://www.w3.org/2000/01/rdf-schema#label	path integral formulation
gptkbp:influencedBy	gptkb:Lagrange gptkb:Hamilton gptkb:Norbert_Wiener gptkb:Paul_Dirac
gptkbp:involves	gptkb:Planck_constant probability amplitude sum over histories classical action
gptkbp:publishedIn	1948
gptkbp:relatedConcept	gptkb:Minkowski_space gptkb:stochastic_process Brownian motion measure theory gauge fixing Euclidean path integral functional determinant quantum action principle saddle point method semiclassical approximation stationary phase approximation
gptkbp:relatedTo	gptkb:Hamiltonian_mechanics gptkb:Lagrangian_mechanics
gptkbp:usedIn	gptkb:quantum_gravity non-perturbative methods quantum tunneling statistical field theory path integrals in finance
gptkbp:uses	action principle functional integration
gptkbp:bfsParent	gptkb:quantum_field_theory gptkb:Feynman_path_integral
gptkbp:bfsLayer	4