Profiling the brane drain in a nonsupersymmetric orbifold | Zendy

Gregory W. Moore | Zendy; Andrei Parnachev | Zendy

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Profiling the brane drain in a nonsupersymmetric orbifold

Author(s) -

Gregory W. Moore,

Andrei Parnachev

Publication year - 2006

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 - 10.1088/1126-6708/2006/01/024

Subject(s) - physics , tachyon , orbifold , higgs boson , coulomb , brane cosmology , brane , supersymmetry , tachyon condensation , theoretical physics , particle physics , mathematical physics , quantum mechanics , string theory , electron , string field theory

We study D-branes in a nonsupersymmetric orbifold of type C^2/\Gamma,perturbed by a tachyon condensate, using a gauged linear sigma model. The RGflow has both higgs and coulomb branches, and each branch supports differentbranes. The coulomb branch branes account for the ``brane drain'' from thehiggs branch, but their precise relation to fractional branes has hitherto beenunknown. Building on the results of hep-th/0403016 we construct, in detail, themap between fractional branes and the coulomb/higgs branch branes for twoexamples in the type 0 theory. This map depends on the phase of the tachyoncondensate in a surprising and intricate way. In the mirror Landau-Ginzburgpicture the dependence on the tachyon phase is manifested by discontinuouschanges in the shape of the D-brane.Comment: 57 pages, 17 color figures; harvma

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