Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 12, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP12(2012)122
Keywords
Flux compactifications; Superstring Vacua; M-Theory
Categories
Funding
- EPSRC [EP/G051054/1]
- NSF [PHY-0758029, 0529954]
- EPSRC [EP/G051054/1] Funding Source: UKRI
- Direct For Mathematical & Physical Scien
- Division Of Physics [0529954] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [0758029] Funding Source: National Science Foundation
- Engineering and Physical Sciences Research Council [EP/G051054/1] Funding Source: researchfish
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We consider compactifications of M-theory and type IIA string theory to four dimensions. For Minkowski space-time, a supergravity no-go theorem forbids flux supported in the internal space. We show how to evade this no-go theorem by exhibiting new sources of brane charge: in string theory, the basic physical phenomenon is the generation of new brane charges from D-branes in transverse fluxes. In M-theory, there is a new source of M5-brane charge from novel higher derivative couplings that involve fluxes as well as curvatures. We present some explicit orientifold examples with both N = 1 and N = 2 space-time supersymmetry. Finally, we explain the status of massive type IIA flux compactifications.
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