Schrödinger functional equation in field theory

E355493

The Schrödinger functional equation in field theory is a generalization of the quantum-mechanical Schrödinger equation to quantum fields, describing the time evolution of wave functionals over field configurations.

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Predicate Object
instanceOf equation in theoretical physics
generalization of the Schrödinger equation
quantum field theory formalism
actsOn functionals of field configurations
wave functionals of fields
aimsTo describe full quantum state of a field at a given time
appliesTo fermionic fields
free quantum field theories
gauge fields
interacting quantum field theories
scalar quantum fields
assumes Hilbert space of wave functionals
codomain complex numbers
connectedTo Schrödinger representation of canonical commutation relations
vacuum wave functional
contrastWith operator-valued field equations in the Heisenberg picture
dependsOn Hamiltonian operator of the field theory
field operators
describes dynamics of field configurations
time evolution of quantum fields
time evolution of wave functionals
domain space of classical field configurations
field quantum field theory
theoretical physics
formalism canonical quantization
functional Schrödinger representation
generalizes nonrelativistic Schrödinger equation
involves Hamiltonian density
functional derivatives with respect to fields
mathematicalNature functional differential equation
originatesFrom canonical quantization of classical field theory
relatedTo Heisenberg picture in quantum field theory
Tomonaga–Schwinger equation
path integral formulation
requires choice of canonical variables for fields
specification of boundary conditions for fields
timeVariable continuous time parameter
usedFor nonperturbative analysis of quantum fields
studying cosmological quantum fields
studying excited-state wave functionals
studying ground-state wave functionals
studying quantum fields in curved spacetime
studying quantum phase transitions in field systems
usedIn condensed matter field-theoretic models
lattice gauge theory (continuum limit formulations)
quantum cosmology
usesRepresentation Schrödinger functional equation in field theory self-linksurface differs
surface form: Schrödinger picture of quantum field theory

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Tomonaga–Schwinger equation closelyRelatedTo Schrödinger functional equation in field theory
neutrino oscillation governedBy Schrödinger functional equation in field theory
this entity surface form: Schrödinger equation in flavor space
Schrödinger functional equation in field theory usesRepresentation Schrödinger functional equation in field theory self-linksurface differs
this entity surface form: Schrödinger picture of quantum field theory