Donaldson–Witten theory

E508540

Donaldson–Witten theory is a four-dimensional topological quantum field theory derived from twisting N=2 supersymmetric Yang–Mills theory, used to compute Donaldson invariants of smooth four-manifolds.

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Predicate Object
instanceOf cohomological field theory
four-dimensional quantum field theory
topological quantum field theory
appliesTo smooth four-manifolds
basedOn N=2 supersymmetric Yang–Mills theory
computes intersection forms on four-manifolds
constructedBy twisting N=2 supersymmetric Yang–Mills theory
defines BRST cohomology
developedBy Edward Witten
formulatedIn late 1980s
framework Euclidean quantum field theory
hasAction topological Yang–Mills action
hasFieldContent fermionic fields
gauge field
scalar fields
hasGaugeGroup SO(3)
SU(2)
hasObservable Wilson operators
surface operators
topological observables
hasSpacetimeDimension 4
hasSymmetry topological supersymmetry
hasTwistType topological twist
inspired development of Seiberg–Witten invariants
invariantUnder smooth deformations of the metric
mathematicalOutput smooth structure invariants of four-manifolds
metricDependence Q-exact up to topological terms
namedAfter Edward Witten
Simon Donaldson
observablesClassifiedBy BRST cohomology classes
pathIntegralLocalizesOn anti-self-dual gauge connections
instantons
produces Donaldson polynomials
quantizationMethod path integral quantization
relatedConcept cohomological Yang–Mills theory
topological twisting
relatedTo Donaldson theory
Seiberg–Witten theory
Yang–Mills instantons
linked to: Yang–Mills theory

moduli space of anti-self-dual connections
requires Riemannian metric
oriented four-manifold
scalarSuperchargeSquaresTo zero
studiedIn differential topology
mathematical physics
twistActsOn R-symmetry of N=2 supersymmetry
twistProduces scalar supercharge
usedToCompute Donaldson invariants

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Referenced by (3)

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

topological quantum field theory example Donaldson–Witten theory
Donaldson–Witten theory relatedConcept cohomological Yang–Mills theory
linked to: Donaldson–Witten theory
Donaldson invariants relatedTo Witten’s topological quantum field theory
linked to: Donaldson–Witten theory