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Title: Compact G2 holonomy spaces from SU(3) structures

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3];  [4];  [4]; ORCiD logo [5]
  1. Hong Kong Univ. of Science and Technology (Hong Kong)
  2. Univ. of Wisconsin, Madison, WI (United States)
  3. Imperial College, London (United Kingdom)
  4. Katholieke Univ. (KU) Leuven (Belgium). Inst. voor Theoretische Fysica
  5. Hong Kong Univ. of Science and Technology (Hong Kong); Univ. of Pennsylvania, Philadelphia, PA (United States)

We construct novel classes of compact G2 spaces from lifting type IIA flux backgrounds with O6 planes. There exists an extension of IIA Calabi-Yau orientifolds for which some of the D6 branes (required to solve the RR tadpole) are dissolved in $$F_2$$ fluxes. The backreaction of these fluxes deforms the Calabi-Yau manifold into a specific class of SU(3)-structure manifolds. The lift to M-theory again defines compact G2 manifolds, which in case of toroidal orbifolds are a twisted generalisation of the Joyce construction. This observation also allows a clear identification of the moduli space of a warped compactification with fluxes. We provide a few explicit examples, of which some can be constructed from T-dualising known IIB orientifolds with fluxes. Finally we discuss supersymmetry breaking in this context and suggest that the purely geometric picture in M-theory could provide a simpler setting to address some of the consistency issues of moduli stabilisation and de Sitter uplifting.

Research Organization:
Univ. of Wisconsin, Madison, WI (United States)
Sponsoring Organization:
USDOE Office of Science (SC); Engineering and Physical Sciences Research Council (EPSRC); European Research Council (ERC); KULeuven; European Science Foundation HoloGrav Network; Belgian Federal Science Policy Office (BELSPO); Hong Kong Research Grants Council (HKRGC); National Science Foundation (NSF)
Grant/Contract Number:
SC0017647; EP/K034456/1; ERC-2013-CoG 616732 HoloQosmos; G.0.E52.14N; C16/16/005; HUKST4/CRF/13G; 1630441; PHY-1756996
OSTI ID:
1612727
Journal Information:
Journal of High Energy Physics (Online), Vol. 2019, Issue 3; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 13 works
Citation information provided by
Web of Science

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Cited By (5)

Uplifting anti-D6-brane journal December 2019
How many fluxes fit in an EFT? journal October 2019
Mink4 × S2 solutions of 10 and 11 dimensional supergravity journal July 2019
Mink$_4\times S^2$ Solutions of 10 and 11 Dimensional Supergravity text January 2018
Uplifting Anti-D6-brane text January 2019

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