3min chapter

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

AMA | July 2023

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

CHAPTER

The Importance of Decoherence in Quantum Physics

There's an approximation that is good and we start out approximately classical because of decoherence. But you can ask why the universe, both in its initial conditions and in its laws of physics, allows for classical mechanics to be a good approximation. We don't talk about that when we teach people quantum mechanics. Maybe we should. There's another level of the question though. I mean those two things together are the basic answer you would give.

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