New posts in Commutator

Binomial expansion of non-commutative operators

What is the physical meaning of commutators in quantum mechanics?

Why is the uncertainty principle not $\sigma_A^2 \sigma_B^2\geq(\langle A B\rangle +\langle B A\rangle -2 \langle A\rangle\langle B\rangle)^2/4$?

Equal time commutation relations in canonical quantization of relativistic free fields

Commutator not transitive

What exactly is the connection between the Jacobi and Bianchi identities?

Square bracket notation for anti-symmetric part of a tensor

In QFT, why does a vanishing commutator ensure causality?

Commutator with exponential $[A, \exp(B)]$

Does the canonical commutation relation fix the form of the momentum operator?