Are density states more fundamental than wavefunctions?
41470
Is the density operator a mathematical convenience or a 'fundamental' aspect of quantum mechanics?
92358
Can bosons that are composed of several fermions occupy the same state?
156183
How can we be sure that nature isn't "faking" quantum statistics?
7555
Why do we consider Lagrangian densities in field theory (as opposed to Lagrangians as in point mechanics)?
113472
Quantum mechanics and everyday nature
41469
How is quantum superposition different from mixed state?
149191
When does the $n$th bound state of a 1D quantum potential have $n$ maxima/minima?
83967
Why is $|\Psi|^2$ the probability density?
84649
Why is the application of probability in QM fundamentally different from application of probability in other areas?
90716
Conservation of energy and wavefunctions
117387
Can we safely assume $\Psi(x,t) = \psi(x)e^{-i\omega t}$ always in QM?
96796
Does electron orbital theory contradict the Heisenberg uncertainty principle?
99680
The Dual Nature of Matter
91487
Does a physical interpretation of density matrix cross-terms exist?
93070
How is quantum mechanics consistent with statistical mechanics?
485
Density of Solid States of Compounds
80573
Nature of the quantum degeneracy pressure