The dynamical creation/annihilation of a Dp-brane from D(p-2)branes  

作　　者：Xiaoying Zhu 

机构地区：[1]Department of Modem Physics,University of Science and Technology of China,Hefei,Anhui 230026,China

出　　处：《Communications in Theoretical Physics》2021年第3期55-63,共9页理论物理通讯（英文版）

基　　金：The author would like to thank J X Lu for fruitful discussion and acknowledge support by a grant from the NNSF of China with Grant No:11775212.

摘　　要：We discuss how to generate a dynamical Dp-brane with a topology of R^(p-2)×S^(2) from N D(p-2)-branes with R^(p-2) topology with or without the presence of a constant RR(p+2)-form flux.This extends the previous work(Chen and Lu 2004 arXiv:hep-th/0405265)of generating a dynamical spherical D2 brane from N DO branes in a constant RR four-form flux to a general p.In particular,dynamically generating a higher dimensional brane from lower dimensional ones does not necessarily need the presence of a relevant RR background flux but needs excess energy,lending support to the spacetime uncertainty principle.The time evolution of the dynamical p-brane for a general p remains the same as for the p=2 case,however there is a class of spatial dependent Dp configurations when p≥3.Some of these spatial-dependent Dp brane configurations and their properties have been discussed previously which can also be obtained from the time-dependent one by euclideanizing the time.Properties of the spatial-dependent solutions and their relations to the corresponding brane-anti brane system are discussed.

关 键 词：D-brane dynamics NONCOMMUTATIVITY brane generation 

分 类 号：O313[理学—一般力学与力学基础]