Need help understanding weird definition of pure states
10856
Differences between pure/mixed/entangled/separable/superposed states
24189
What exactly is a bound state and why does it have negative energy?
34829
Why is water blue (on a quantum level)
67978
Huge confusion with Fermions and Bosons and how they relate to total spin of atom
7032
Explain reflection laws at the atomic level
34021
What is the physical meaning of a "complete" Hilbert space in QM?
145025
Why is the partial trace of this subsystem equal to this?
80520
What is the relation between linear purity and von Neumann entropy of a state?
158547
Question about SOT and compact operators
591
Reason for the discreteness arising in quantum mechanics?
22842
The Interpretation of $|\psi|^2$ and the No-Clone Theorem
57697
At which moment does the 'Surprised' state disappear?
149592
Why do we say that irreducible representation of Poincare group represents the one-particle state?
136588
Stateless vs Stateful
148013
pure-specifier on function-definition
81480
What is wrong with this deduction to show that within a multiplet different state has different square angular momentum?
141760
What's an atomic superstate/superposition, and how is it possible?