String Junctions and the BPS Spectrum of N = 2 SU(2) Theory with Massive Matter Fields | Zendy

Yoshiyuki Ohtaké | Zendy

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String Junctions and the BPS Spectrum of N = 2 SU(2) Theory with Massive Matter Fields

Author(s) -

Yoshiyuki Ohtaké

Publication year - 1999

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.102.671

Subject(s) - physics , string (physics) , string theory , spectrum (functional analysis) , stability (learning theory) , marginal stability , theoretical physics , string field theory , brane , mathematical physics , quantum mechanics , instability , machine learning , computer science

We study the BPS spectrum of four dimensional N=2 SU(2) theory with massivefundamental matters using the D3-brane probe. Since the BPS states are realizedby string webs subject to the BPS conditions, we determine explicitly theconfigurations of such webs. It is observed that there appear BPS string webswith multiple of junctions corresponding to the fact that the curves ofmarginal stability in massive theory are infinitely nested. In terms of thestring configurations, various properties of the curves of marginal stabilityare explained intuitively.Comment: 16 pages, LaTex, 5 figure

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