D-branes in Coset Models | Zendy

Stefan Fredenhagen | Zendy; Volker Schomerus | Zendy

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D-branes in Coset Models

Author(s) -

Stefan Fredenhagen,

Volker Schomerus

Publication year - 2002

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 - 10.1088/1126-6708/2002/02/005

Subject(s) - coset , brane cosmology , theoretical physics , commutative property , boundary (topology) , class (philosophy) , pure mathematics , ring (chemistry) , mathematics , physics , gauge theory , representation (politics) , mathematical physics , computer science , discrete mathematics , mathematical analysis , chemistry , organic chemistry , artificial intelligence , politics , political science , law

The analysis of D-branes in coset models G/H provides a natural extension ofrecent studies on branes in WZW-theory and it has various interestingapplications to physically relevant models. In this work we develop a reductionprocedure that allows to construct the non-commutative gauge theories whichgovern the dynamics of branes in G/H. We obtain a large class of solutions andinterprete the associated condensation processes geometrically. The latter areused to propose conservation laws for the dynamics of branes in coset models atlarge level k. In super-symmetric theories, conserved charges are argued totake their values in the representation ring of the denominator theory.Finally, we apply the general results to study boundary fixed points in twoexamples, namely for parafermions and minimal models.Comment: 39 pages, 3 figures, some remarks and references adde

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