Gauge threshold corrections in intersecting brane world models | Zendy

Lüst D. | Zendy; Stieberger S. | Zendy

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Gauge threshold corrections in intersecting brane world models

Author(s) -

Lüst D.,

Stieberger S.

Publication year - 2007

Publication title -

fortschritte der physik

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.469

H-Index - 71

eISSN - 1521-3978

pISSN - 0015-8208

DOI - 10.1002/prop.200310335

Subject(s) - orientifold , orbifold , physics , brane , gauge (firearms) , moduli , string (physics) , theoretical physics , loop (graph theory) , gauge theory , string theory , extra dimensions , d brane , mathematical physics , particle physics , quantum electrodynamics , mathematics , quantum mechanics , combinatorics , archaeology , history

We calculate the one‐loop corrections to gauge couplings in N = 1 supersymmetric brane world models, which are realized in an type IIA orbifold/orientifold background with several stacks of D6 branes wrapped on 3‐cycles with non‐vanishing intersections. Contributions arise from both N = 1 and N = 2 open string subsectors. In contrast to what is known from ordinary orbifold theories, N = 1 subsectors do give rise to moduli‐dependent one‐loop corrections.

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