Some Developments and Applications on Field Theory

Abstract: First, when the dimension is extended to n, gradient, divergence, curl and corresponding Gauss’s theorem and Stokes’s theorem are researched. Next, field may be developed from scalar and vector to tensor, spinor, torsion and twistor, etc. Further, they are applied to physics, biology, earthquakes and social science, etc. Field theory has been widely applied in many regions of natural and social sciences, and its any development will necessarily inspire and apply to more aspects.