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3 Questions

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Electric dipole moment of electron: about what point is the moment taken?

particle-physics electrons quantum-electrodynamics dipole dipole-moment
Sep 6 '18 at 9:57 Emilio Pisanty 113k
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Time reversal for Dirac particles in 2+1 or 6+1 (mod 8) spacetime dimensions

quantum-field-theory dirac-equation dirac-matrices time-reversal-symmetry clifford-algebra
Dec 17 '19 at 14:40 Chiral Anomaly 35.5k
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Variation of Christoffel symbol and Lie derivative

general-relativity differential-geometry metric-tensor tensor-calculus
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