Bulk induced boundary perturbations for N=1 superconformal field theories

Details Bulk induced boundary perturbations for N=1 superconformal field theories Bulk induced boundary perturbations for N=1 superconformal field theories

2008-10-26

arxiv.org/abs/0810.4719v1

J.Phys.A42:115209,2009

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, LaTeX

Scientific paper

10.1088/1751-8113/42/11/115209

The N=1 superconformal circle theory consisting of a free boson and a free fermion is considered. At any radius the theory has standard Dirichlet and Neumann branes, but for rational radii there are additional superconformal boundary conditions that are labelled by elements in a quotient of SU(2). We analyse how these branes behave under the radius-changing bulk perturbation. As in the bosonic case, the bulk perturbation induces in general a boundary RG flow whose end-point is a superposition of Dirichlet or Neumann branes.

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