Eq. (2.4.7) of Weinberg, "Lectures on QM" from eq. (2.4.6)
108351
Derivation of position operator in QM
126425
Consistent, complete, and generalized description of the quantum harmonic oscillator
141907
Haag's theorem and practical QFT computations
38939
A book on quantum mechanics supported by the high-level mathematics
114317
Cauchy-Schwarz inequality in Shankhar's Quantum Mechanics
123776
Questions about the Fermi-Dirac distribution at $T=0.$
55231
Is there a simple way of finding the eigenstates of the creation and annihilation operator in QM?
86901
Galilean covariance of the Schrodinger equation
122166
Significance of $i$ in the Schrödinger equation
114789
Self Study Textbook Progression from QM to QFT?
42531
Calculating commutators in quantum mechanics symbolically with the help of Mathematica
1491
Correct spaces for quantum mechanics
128937
Lie theory and particle physics
29952
Time-ordering vs normal-ordering and the two-point function/propagator
36262
Linear algebra for quantum physics
38103
A No-Nonsense Introduction to Quantum Field Theory
122603
How does $\mathcal E(\rho)=\mathrm{Tr}_{env}[U(\rho\otimes\rho_{env})U^\dagger]$ turn into $P_0\rho P_0+P_1\rho P_1$?