What principle of quantum mechanics tells us that harmonic fluctuations of a field act like localized particles?
86967
The concept of particle in QFT
17120
Why use Fourier expansion in Quantum Field Theory?
61209
Interpretation of the Dirac-measure property
53787
Do quantum particles communicate?
48584
Wave-particle duality
110122
Difference between field and wavefunction
92550
What is a quantum field?
24463
How is it possible that quantum phenomenons (e.g. superposition) are possible when all quantum particles are being constantly observed?
156175
Is what statisticians call a "random variable" what physicists call an "observable" in QM?
24439
What is the essential difference between a resonance and a particle?
86408
How do we know that certain quantum effects are random?
115936
Is there a theorem that says that QFT reduces to QM in a suitable limit? A theorem similar to Ehrenfest's theorem?
64935
Using photons to explain electrostatic force
104657
Wave/particle duality
117323
Harmonic Motion
18982
Does Quantum Mechanics assume space and time are continuous?
51736
When is a quantum state stationary?