Are all kinds of energy quantized?
122561
Is the energy always discrete?
37209
Quantum information references
104024
Does the mass of an electron change with its "energy state"?
116033
Energy conservation limited by uncertainty principle
143668
Theoretical reasons for charge quantization
117387
Can we safely assume $\Psi(x,t) = \psi(x)e^{-i\omega t}$ always in QM?
20997
Can an electron jump to a higher energy level if the energy is insufficient or exceeds the $\Delta E$?
115200
Why does energy have to be emitted in quanta?
10504
What are the reasons to expect that gravity should be quantized?
123948
Why do I not see evidence of discrete energy in the spectrum?
1048
Discreteness of set of energy eigenvalues
137052
What is pure energy?
58463
How are photons "consumed"?
64240
Can we measure "wavefunction" of quantum particles?
73840
Is it possible that we have a physical state which is a mixture of discrete eigenstates and continuous ones?
146039
Is it always possible to define energy of a system?
42414
Why there is no unique "recipe" for quantization of a classical theory?