Intuition behind creation and annihilation operators?
126425
Consistent, complete, and generalized description of the quantum harmonic oscillator
122603
How does $\mathcal E(\rho)=\mathrm{Tr}_{env}[U(\rho\otimes\rho_{env})U^\dagger]$ turn into $P_0\rho P_0+P_1\rho P_1$?
26249
Self adjoint operators and trace class property
41648
The Intuition behind l'Hopitals Rule
84640
Orthonormal Matrices-Intuition
62549
Chain Rule Intuition
25425
Intuition for the definition of the Gamma function?
106339
Intuition behind Matrix Multiplication
22396
Intuition on the Kullback–Leibler (KL) Divergence
27467
What is an intuitive explanation for $\operatorname{div} \operatorname{curl} F = 0$?
103624
What is the Physical Meaning of Commutation of Two Operators?
29174
Trouble with operator-sum representation of a quantum operation
119684
Is a contraction idempotent operator self-adjoint?
16311
Born rule and unitary evolution
26417
Why do we use Hermitian operators in QM?
115100
Operator Ordering Ambiguities
158547
Question about SOT and compact operators