相对论粒子及其d-膜结构
The Relativistic Particle and its d-brane Cousins
摘要：
我们研究了经典的重参不变物质系统的性质，主要是相对论粒子及其d-膜的推广。相应的物质拉格朗日量自然包含背景相互作用场，例如类似于电磁矢势的1型场和度量张量。为了使理论摆脱背景场，为量子理论做准备，我们讨论了与物质运动方程中的规范对称性一致的场拉格朗日量。
英文摘要：
We study properties of classical reparametrization-invariant matter systems, mainly the relativistic particle and its d-brane generalization. The corresponding matter Lagrangian naturally contains background interaction fields, such as a 1-form field, analogous to the electromagnetic vector potential, and a metric tensor. In order to make the theory free of background fields and prepare for quantum theory of fields, we discuss the field Lagrangians consistent with the gauge symmetries presented in the equations of motion for the matter.
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