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Things that work on simple models motivate work on more complex models. He STARTS OUT by saying N=4 SYM is a toy model. The klein-gordon equation is unphysical but motivated a lot of good physics.


In condensed-matter physics, toy models play with you!

http://arxiv.org/abs/cond-mat/0007254


I'm not questioning whether the work has value, but the article is hyping it way beyond justification.




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