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The partition function in Matrix theory is constructed by the Euclidean path integral method. The D0-branes, which move around in the finite region with a typical size of Schwarzschild radius, are chosen as the background. The mass and entropy of the system obtained from the partition function contain the parameters of the background. After averaging the mass and entropy over the parameters, we...
An explicit solution in super Yang-Mills theory, which after T-duality describes two sets of D4-branes at angles, is constructed. The gauge configuration possesses 316 unbroken supersymmetry for the equal magnitudes of field strengths, and can be considered as the counterpart of the solution of D = 11 supergravity with the same amount of supersymmetry in the solutions given by Gauntlett et al. The...
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