query: Why is classical electromagnetism linear?
positive_passages.docid: 20916
positive_passages.text: Why is the Principle of Superposition true in EM? Does it hold more generally?
negative_passages.docid: 53441
negative_passages.text: Simple explanation to the induction from the slowly changing $\vec B$ of a solenoid in the region of $0$ magnetic field
negative_passages.docid: 57983
negative_passages.text: Is diamagnetism a static or dynamic effect?
negative_passages.docid: 83532
negative_passages.text: Confusion I have regarding Einstein's 1905 derivation of LT
negative_passages.docid: 53258
negative_passages.text: Why exactly does the time-reversal operator need to be anti-linear?
negative_passages.docid: 106021
negative_passages.text: How wrong are the classical Maxwell's equations (as compared to QED)?
negative_passages.docid: 131965
negative_passages.text: Why can't a real scalar couple to the electromagnetic field?
negative_passages.docid: 116881
negative_passages.text: Why is a linear transformation called linear?
negative_passages.docid: 64935
negative_passages.text: Using photons to explain electrostatic force
negative_passages.docid: 129289
negative_passages.text: What is the origin of the factor of $-1/4$ in the Maxwell Lagrangian?
negative_passages.docid: 120125
negative_passages.text: Erratum in Griffith's Introduction to Electrodynamics
negative_passages.docid: 131786
negative_passages.text: Why are second order linear PDEs classified as either elliptic, hyperbolic or parabolic?
negative_passages.docid: 88488
negative_passages.text: The relationship between angular and linear momentum
negative_passages.docid: 62692
negative_passages.text: Retrieving Maxwell's equations from the minimum action principle
negative_passages.docid: 131360
negative_passages.text: Friedmann vacuum solution linear rather than exponential?
negative_passages.docid: 338
negative_passages.text: How do moving charges produce magnetic fields?
negative_passages.docid: 74702
negative_passages.text: Are Lorentz transformations linear transformations?