Moduli stabilisation in heterotic models with standard embedding

In this note we analyse the issue of moduli stabilisation in 4d models obtained from heterotic string compactifications on manifolds with SU(3) structure with standard embedding. In order to deal with tractable models we first integrate out the massive fields. We argue that one can not only integrat...

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Published in:The journal of high energy physics 2010-01, Vol.2010 (1), Article 11
Main Author: Micu, Andrei
Format: Article
Language:English
Subjects:
Classical and Quantum Gravitation
Elementary Particles
Embedding
Fluxes
High energy physics
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Relativity Theory
String Theory
Theorems
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description In this note we analyse the issue of moduli stabilisation in 4d models obtained from heterotic string compactifications on manifolds with SU(3) structure with standard embedding. In order to deal with tractable models we first integrate out the massive fields. We argue that one can not only integrate out the moduli fields, but along the way one has to truncate also the corresponding matter fields. We show that the effective models obtained in this way do not have satisfactory solutions. We also look for stabilised vacua which take into account the presence of the matter fields. We argue that this also fails due to a no-go theorem for Minkowski vacua in the moduli sector which we prove in the end. The main ingredient for this no-go theorem is the constraint on the fluxes which comes from the Bianchi identity.
doi_str_mv 10.1007/JHEP01(2010)011
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subjects Classical and Quantum Gravitation
Elementary Particles
Embedding
Fluxes
High energy physics
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Relativity Theory
String Theory
Theorems
title Moduli stabilisation in heterotic models with standard embedding
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