heterotic supergravity
E586586
low-energy effective field theory
string effective action
supergravity theory
ten-dimensional field theory
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.
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 ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.