Could there exist a situation where a system of electrons is well-described by a classical Dirac field?
8450
Classical field limit of the electron quantum field
130915
Are free electrons in a metal really free
141949
Tree level QFT and classical fields/particles
58219
The effect of gravitational & Coulomb forces on free electrons in a conductor
151039
Why are there no elementary charged, spin-zero particles?
107934
Is there any potential associated with magnetism
24540
Experimental boundaries for size of electron?
63544
Is there a probability that an electron in an atom change its energy level due to emitting gravitational wave?
65973
How are classical optics phenomena explained in QED (Snell's law)?
55412
Macroscopic quantum phenomena and tunneling
22958
Is there such a thing as charge density in quantum mechanics?
24463
How is it possible that quantum phenomenons (e.g. superposition) are possible when all quantum particles are being constantly observed?
139993
Quantum systems without a classical analogue?
58358
Can a particle be physically observed inside a quantum barrier?
10190
Dirac equation as Hamiltonian system
5810
What does it mean that particles are the quanta of fields?
90157
Can a magnetic field be induced without an electric field?