More on Membranes in Matrix Theory

Abstract

We study noncompact and static membrane solutions in Matrix theory. Demanding axial symmetry on a membrane embedded in three spatial dimensions, we obtain a wormhole solution whose shape is the same with the catenoidal solution of Born-Infeld theory. We also discuss another interesting class of solutions, membranes embedded holomorphically in four spatial dimensions, which are 1/4 BPS.Comment: 7 pages, LaTeX; expanded to treat matrix membrane solutions with electric flux, equivalently fundamental strings; to appear in Phys. Rev.