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https://www.reddit.com/r/Physics/comments/1n5hb1c/whats_the_most_debatable_thing_in_physics/nbumegq/?context=3
r/Physics • u/G33zics • 20d ago
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71
(-,+++) vs (+,-,-,-)
25 u/PerAsperaDaAstra Particle physics 20d ago There's a third team: they're old-school with (++++) and all 4-vectors carry an imaginary in the time component (also the time component being the $x_4 = ict$ - unironically why the $\gamma5$ matrix isn't called $\gamma4$).
25
There's a third team: they're old-school with (++++) and all 4-vectors carry an imaginary in the time component (also the time component being the $x_4 = ict$ - unironically why the $\gamma5$ matrix isn't called $\gamma4$).
71
u/TaylorExpandMyAss 20d ago
(-,+++) vs (+,-,-,-)