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AMA | November 2021
Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
How to Break Gauge Symmetry in Special Relativity
A gauge symmetry is just a re dency of description. It's like coordinate in variance, right? You're always allowed to choose whatever coordinates you want. Special relativity only tells you about inertial or straight line, unaccelerated particles. So physics looks simpler in those co ordinate systems in special relativity.
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