Will_Pearson comments on No Individual Particles - Less Wrong
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Comments (23)
I don't see excitations as billiard balls, but the smallest type of wave possible. The whole point of QFT is so that you can see "particles" as annihilating and changing which isn't very billiard ball like. Start with a bag of positrons and electrons, shake it up and what do get?
Quantum without all the physics (fermions/bosons/anti-particles/vacuum energy) is horribly dry and un-illuminating for me.