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Introduction to Strings and Branes by Peter West

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14 Brane dynamics

 

 

 

 

The raised nail gets hammered down.

Japanese saying

Quantum field theory has traditionally concerned the quantisation of point particles and so far this book has largely been about the classical, and then quantum, behaviour of strings. In this chapter we will consider objects that sweep out, as they move through space-time, spatial volumes of dimension greater than 1. We refer to such an object as being a p-brane if its world volume contains time and p spatial coordinates. A 0-brane is just a particle and a 1-brane is a string. In fact, p-branes for p ≥ 2 occur in string theory as solitons in the corresponding low energy effective actions of string theories as well as 0-branes and 1-branes. Indeed, we found in section ...

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