Exact standard model structures from intersecting D5-branes

By C. Kokorelis. 2002

157 citations recorded by the source corpus.

Abstract We discuss the appearance of non-supersymmetric compactifications with exactly the Standard Model (SM) at low energies, in the context of IIB orientifold constructions with D5-branes intersecting at angles on the T 4 tori, of the orientifold of T 4 ×( C / Z N ). We discuss constructions where the Standard Model embedding is considering within four, five and six stacks of D5-branes. The appearance of the three generation observable Standard Model at low energies is accompanied by a gauged baryon number, thus ensuring automatic proton stability. Also, a compatibility with a low scale of order TeV is ensured by having a two-dimensional space transverse to all branes. The present models complete the discussion of some recently constructed four-stack models of D5-branes with the SM at low energy. By embedding the four-, five- and six-stack Standard Model configurations into quiver diagrams, deforming them around the QCD intersection numbers, we find a rich variety of vacua that may have exactly the Standard Model at low energy. Also by using brane recombination on the U (1)'s, we show that the five and six vacua flow into their four-stack counterparts. Thus string vacua with five- and six-stack deformations are continuously connected to the four-stack vacua.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/b7327ea5d6cbfe63df10bd8ea156cfdc3f5f92f9

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Astronomy and Astrophysics

1. Ralph Blumenhagen
2. M. Cvetič
3. D. Lust
4. Gary Shiu
5. S. Stieberger
6. B. Kors
7. T. Weigand
8. P. Langacker

In Nuclear and High Energy Physics

1. Ralph Blumenhagen
2. D. Lust
3. M. Cvetič
4. Gary Shiu
5. S. Stieberger
6. B. Kors
7. T. Weigand
8. F. Marchesano

Citations in the corpus

• Four-dimensional string compactifications with D-branes, orientifolds and fluxes (2006, methodology): “Therefore, the models constructed in [36, 37, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234] can be regarded as a hybrid of these two methods to obtain chiral fermions, namely as intersecting branes at singularities.”
• TOWARD REALISTIC INTERSECTING D-BRANE MODELS (2005, methodology): “Therefore, the models constructed in [15, 16, 77, 78, 79, 80, 71, 81, 82, 83, 84, 85] can be regarded as a hybrid of the two ways to obtain chiral fermions, namely as intersecting branes at singularities.”