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Moduli Stabilization for Intersecting Brane Worlds in Type 0' String Theory
High Energy Physics - Theory · Submitted 5 Feb 2002
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Despite the theory being non-supersymmetric the perturbative scalar potential induced at leading order is shown to stabilize geometric moduli, leaving only the dilaton tadpole uncanceled.
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The abstract, sentence by sentence
Starting from the non-supersymmetric, tachyon-free orientifold of type 0 string theory, we construct four-dimensional brane world models with D6-branes intersecting at angles on internal tori. They support phenomenologically interesting gauge theories with chiral fermions. Despite the theory being non-supersymmetric the perturbative scalar potential induced at leading order is shown to stabilize geometric moduli, leaving only the dilaton tadpole uncanceled. As an example we present a three generation model with gauge group and fermion spectrum close to a left-right symmetric extension of the Standard Model.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Starting from the non-supersymmetric, tachyon-free orientifold of type 0 string theory, we construct four-dimensional brane world models with D6-branes intersecting at angles on internal tori. | contribution 0.81 | 0.94 | 0.05 | asserted 1.00 |
| s1 | They support phenomenologically interesting gauge theories with chiral fermions. | result 0.80 | 0.50 | 0.06 | asserted 0.99 |
| s2 | Despite the theory being non-supersymmetric the perturbative scalar potential induced at leading order is shown to stabilize geometric moduli, leaving only the dilaton tadpole uncanceled. | result 0.99 | 0.94 | 0.80 | asserted 1.00 |
| s3 | As an example we present a three generation model with gauge group and fermion spectrum close to a left-right symmetric extension of the Standard Model. | contribution 0.64 | 0.92 | 0.08 | asserted 0.97 |
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The paper
Original abstract
Starting from the non-supersymmetric, tachyon-free orientifold of type 0 string theory, we construct four-dimensional brane world models with D6-branes intersecting at angles on internal tori. They support phenomenologically interesting gauge theories with chiral fermions. Despite the theory being non-supersymmetric the perturbative scalar potential induced at leading order is shown to stabilize geometric moduli, leaving only the dilaton tadpole uncanceled. As an example we present a three generation model with gauge group and fermion spectrum close to a left-right symmetric extension of the Standard Model.
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Of course other efforts to stabilize moduli in non-SUSY compactifications exist (see e.g. [ref] which addresses intersecting D-branes in Type 0 string theory, and [ref] for a review of other ideas), and it was already mentioned in [ref] that the introduction of suitable fluxes in the compactification (see e.g. [ref] ) could lift additional zero modes of the D2-Brane instantons, thereby leaving their deformation moduli stable.
PeV Sterile Masses from D-Brane Instantons -- Motivating Stringy Neutrino Options? · A Comment on Finite String Embeddings · 0.83
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