Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-11-21
JHEP 0202 (2002) 005
Physics
High Energy Physics
High Energy Physics - Theory
39 pages, 3 figures, some remarks and references added
Scientific paper
10.1088/1126-6708/2002/02/005
The analysis of D-branes in coset models G/H provides a natural extension of recent studies on branes in WZW-theory and it has various interesting applications to physically relevant models. In this work we develop a reduction procedure that allows to construct the non-commutative gauge theories which govern the dynamics of branes in G/H. We obtain a large class of solutions and interprete the associated condensation processes geometrically. The latter are used to propose conservation laws for the dynamics of branes in coset models at large level k. In super-symmetric theories, conserved charges are argued to take their values in the representation ring of the denominator theory. Finally, we apply the general results to study boundary fixed points in two examples, namely for parafermions and minimal models.
Fredenhagen Stefan
Schomerus Volker
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