heterotic supergravity

E586586

Heterotic supergravity is the low-energy effective field theory of heterotic string theory, combining ten-dimensional supergravity with non-abelian gauge fields in a way that allows anomaly cancellation via the Green–Schwarz mechanism.

All labels observed (1)

Label Occurrences
heterotic supergravity canonical 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf low-energy effective field theory
string effective action
supergravity theory
ten-dimensional field theory
admits Calabi–Yau compactifications
torsional compactifications
alternativeFrame Einstein frame NERFINISHED
appearedInContextOf anomaly-free 10D superstring theories
associatedWithStringTheory E8×E8 heterotic string theory
SO(32) heterotic string theory NERFINISHED
assumes slowly varying fields compared to string length
weak string coupling
cancelsAnomaliesVia Green–Schwarz mechanism NERFINISHED
constructedToRealize Green–Schwarz anomaly cancellation mechanism NERFINISHED
containsTerm B∧Tr(F∧F)
B∧Tr(R∧R)
expansionParameter α′ (inverse string tension)
formulatedIn 10 dimensions
frameOftenUsed string frame
governs massless modes of heterotic string
hasBosonicFields {gMN, BMN, φ, AM}
hasFermionicFields {ψM, χ, λ}
hasGaugeGroup E8×E8 NERFINISHED
SO(32) NERFINISHED
hasSpacetimeDimension 10
hasSupersymmetry N=1 in 10 dimensions
includesCorrectionsOfOrder O(α′)
includesField Kalb–Ramond two-form field NERFINISHED
dilaton
gaugino
gravitino
metric tensor
non-abelian gauge fields
includesSector gauge sector
gravitational sector
matter fermion sector
isConsistentTruncationOf full heterotic string theory
isSupersymmetricExtensionOf ten-dimensional Einstein–Yang–Mills theory
lowEnergyLimitOf heterotic string theory NERFINISHED
preserves 16 supercharges
relatedTo 10D N=1 super Yang–Mills theory
requiresConstraint Bianchi identity for H-field
satisfiesCondition dH = Tr(R∧R) − Tr(F∧F)
usedFor model building in string phenomenology
studying compactifications of heterotic string theory
studying flux compactifications
validAt energies small compared to string scale

How these facts were elicited

Referenced by (1)

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

Green–Schwarz mechanism relatedTo heterotic supergravity