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For questions that utilize the concept of electric fields (commonly denoted by the letter E), or for questions whose answers likely involve electric fields. More specific than the [electricity] tag, as questions about the phenomenon & theory of electricity do not necessarily involve the discussion of fields.
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Isn't linearly polarised light actually chiral or am I stupid?
Isn't linearly polarised light actually chiral when taking the magnetic field into account?
Just looking at the electric field is just 2D and therefore achiral, obviously.
But with the magnetic field …
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Can an electromagnetic wave be polarised in the direction it propagates?
Can the electric field vector of an EM wave oscillate in the propagation direction?
In text books the polarisation is always orthogonal to the propagation direction.
I'm wondering specifically becau …