Fine Structure

The Goldstone Theorem

Although this for-real-dummies post includes phrases like "...we have managed to put together a lagrangian which is invariant for phase transformations of the complex scalar field" it breaks down some difficult terminology (like Lagrangian density and scalar fields) rather well.

http://dorigo.wordpress.com/2007/11/10/the-goldstone-theorem-for-real-dummies/

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