Phase structure of a brane/anti-brane system at largeN | Zendy

Jonathan J. Heckman | Zendy; Jihye Seo | Zendy; Cumrun Vafa | Zendy

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Phase structure of a brane/anti-brane system at largeN

Author(s) -

Jonathan J. Heckman,

Jihye Seo,

Cumrun Vafa

Publication year - 2007

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2007/07/073

Subject(s) - glueball , physics , metastability , string (physics) , brane , degeneracy (biology) , theoretical physics , coupling (piping) , brane cosmology , particle physics , quantum electrodynamics , quantum mechanics , quantum chromodynamics , mechanical engineering , bioinformatics , engineering , biology

We further analyze a class of recently studied metastable string vacuaobtained by wrapping D5-branes and anti-D5-branes over rigid homologous S^2'sof a non-compact Calabi-Yau threefold. The large N dual description ischaracterized by a potential for the glueball fields which is determined by anauxiliary matrix model. The higher order corrections to this potential producea suprisingly rich phase structure. In particular, at sufficiently large 'tHooft coupling the metastable vacua present at weak coupling cease to exist.This instability can already be seen by an open string two loop contribution tothe glueball potential. The glueball potential also lifts some of thedegeneracy in the vacua characterized by the phases of the glueball fields.This generates an exactly computable non-vanishing axion potential at large N.Comment: v3: 55 pages, 11 figures, typos correcte

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