Negative sign in rotation operator (quantum mechanics, angular momentum)
49318
Negative sign in rotation operator again
12553
Can I find the axis of rotation for any single-qubit gate?
61924
Hilbert space in quantum mechanics
136184
Why we dont have "direct" velocity operator just as $p$? ( as use $p$ space not $v$? ) in quantum mechanics?
26959
Why doesn't the uncertainty principle contradict the existence of definite-angular momentum states?
41407
How to derive or justify the expressions of momentum operator and energy operator?
60289
How does QFT interpret the Negative probability problem of the real scalar fields' Klein-Gordon equation?
99312
Why Lagrangian is negative number for a relativistic massive point particle?
55231
Is there a simple way of finding the eigenstates of the creation and annihilation operator in QM?
121389
Why is quantum mechancis is not content with symmetric operators, but wants self-adjoint operators?
108657
Cross product of the quantum mechanical operators $\textbf{p}$ and $\textbf{A}$
103624
What is the Physical Meaning of Commutation of Two Operators?
79754
Why only 1 component of angular momentum?
33601
Emphasis of this double negative?
55713
Dirac delta in polar coordinates
17394
Sign of determinant when using $det A^\top A$
79647
Where does the term $|\psi\rangle\langle\psi|$ come from while calculating the expectation value?