An Exact Solution of BPS Domain Wall Junction

Details An Exact Solution of BPS Domain Wall Junction An Exact Solution of BPS Domain Wall Junction

1999-10-12

arxiv.org/abs/hep-th/9910095v3

Phys.Lett. B471 (1999) 140-148

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX file, 13 page, 1 ps figure

Scientific paper

An exact solution of domain wall junction is obtained in a four-dimensional N=1 supersymmetric U(1) X U(1)' gauge theory with three pairs of chiral superfields which is motivated by the N=2 SU(2) gauge theory with one flavor perturbed by an adjoint scalar mass. The solution allows us to evaluate various quantities including a new central charge Y_k associated with the junction besides Z_k which appears already in domain walls. We find that the new central charge Y_k gives a negative contribution to the mass of the domain wall junction whereas the central charge Z_k gives a dominant positive contribution. One has to be cautious to identify the central charge Y_k alone as the mass of the junction.

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