2min chapter

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas cover image

163 | Nigel Goldenfeld on Phase Transitions, Criticality, and Biology

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

CHAPTER

The Scale Freeness of the Spins

The ising model for the spins seemed pretty delicate, right? Like you had to tune it to the right temperature to make this thing happen. Whereas turbulence happens all the time, it seems pretty darned robust. Is that a real puzzle, or just a fake puzzle? It's a fak puzzle. The analogue of tuning the temperature to the critical temperature is the analogue of making the a fluid as turbulent as it possibly can be. And so as you make the viscosity going to zero of of whatever fluid you're talking about, that tunes you towards the point at which you would see complete scale variance in neturmulent fluid.

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