Recent content by papades

Hello, I have a question, please let me have your answer, if possible: In a space with an extra spatial dimension , where the extra coordinate is compact: 0 \le y \le 2\pi \alpha And the metric of the space is: {G_M}_N = \left( {\begin{array}{*{20}{c}} {{g_\mu }_\nu (x)} & {{A_\mu }(x)}...