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2d
revised Scattering amplitude with on-shell virtual photon
edited tags
2d
asked Scattering amplitude with on-shell virtual photon
2d
awarded  Necromancer
Dec
23
asked Criterion of tangled state by using particular transposition of density matrix
Dec
21
reviewed Approve How to derive the Bhatnagar-Gross-Krook collision integral from Boltzmann one?
Dec
21
asked How to derive the Bhatnagar-Gross-Krook collision integral from Boltzmann one?
Dec
13
asked What is the physical meaning of U- and V-spin?
Dec
1
asked Different ways of derivation of Gell-Mann-Okubo mass formula
Nov
30
accepted Quasiclassical QM for central fields
Nov
22
comment Quasiclassical QM for central fields
But why $(l + \frac{1}{2})^{2}$ term gives correct phase while $l(l + 1)$ doesn't?
Nov
22
comment Quasiclassical QM for central fields
@HDE226868 : yes. Of course, the quasiclassical approximation is valid for $l >>1$, so $\left( l + \frac{1}{2}\right)^{2} \to l(l + 1)$, but I want to understand why do we do that.
Nov
22
asked Quasiclassical QM for central fields
Nov
22
accepted Bohr-Sommerfeld quantization for different potentials
Nov
17
comment How to get result $3 \otimes 3 = 6 \oplus \bar{3}$ for $SU(3)$ irreducible representations?
@Innisfree : yes, I know something about it. Qmechanic, thank you. I'll check it.
Nov
17
asked How to get result $3 \otimes 3 = 6 \oplus \bar{3}$ for $SU(3)$ irreducible representations?
Nov
11
asked Bohr-Sommerfeld quantization for different potentials
Nov
10
accepted Integral over scalar product of eigenfunction of momentum operator and harmonic oscillator one
Nov
9
asked Integral over scalar product of eigenfunction of momentum operator and harmonic oscillator one
Nov
4
accepted Regularization of infrared divergences
Nov
3
accepted Electron's self-energy in QED in arbitrary gauge