Plebański formulation of general relativity

E811624

The Plebański formulation of general relativity is a reformulation of Einstein’s theory that expresses gravity as a constrained BF gauge theory using self-dual two-forms, playing a key role in modern approaches to quantum gravity.

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Statements (44)

Predicate Object
instanceOf constrained BF theory
formulation of general relativity
gauge-theoretic formulation
theory of gravity
aimsAt facilitating quantization of gravity
recasting general relativity as a gauge theory
appliesTo four-dimensional spacetime
basedOn Einstein’s theory of general relativity
contrastsWith metric formulation of general relativity
purely tetrad formulation of general relativity
coreConcept BF action with constraints
self-dual variables
simplicity constraints
describes gravity as a constrained BF theory
gravity as a gauge theory
field general relativity
quantum gravity
theoretical physics
hasFeature equivalence to Einstein’s equations on shell
polynomial action in basic fields
topological sector and gravitational sector
hasFormulationType first-order formulation
historicalPeriod late 20th century theoretical physics
inspired modern BF-based quantum gravity models
spin foam amplitudes based on constrained BF theory
involves Lagrange multipliers enforcing constraints
complexified Lorentz group
linked to: SL(2,C)

self-dual part of the spin connection
two-form B fields
languageOfFormulation differential forms
gauge connections
namedAfter Jerzy Plebański
relatesTo Ashtekar variables
loop quantum gravity
self-dual formulation of gravity
spin foam models
topological field theory
usedIn covariant approaches to loop quantum gravity
discrete quantum gravity models
spin foam quantization
uses BF theory
connection variables
self-dual two-forms
two-form fields

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Referenced by (4)

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

Jerzy Plebański notableWork Plebański formulation of general relativity
BF theory relatedTo Plebanski formulation of general relativity
linked to: Plebański formulation of general relativity
BF theory appearsIn Plebanski action for general relativity as constrained BF theory
linked to: Plebański formulation of general relativity
Plebański action for gravity hasVariant Plebański action with cosmological constant
linked to: Plebański formulation of general relativity