query: How can we justify identifying the Dirac delta function with the eigenfunction of position?
positive_passages.docid: 27673
positive_passages.text: Physical position eigenfunction normalisation
negative_passages.docid: 38878
negative_passages.text: Why are eigenfunctions which correspond to discrete/continuous eigenvalue spectra guaranteed to be normalizable/non-normalizable?
negative_passages.docid: 103525
negative_passages.text: Square root of Pauli operators: is there a common convention to define them uniquely?
negative_passages.docid: 78075
negative_passages.text: Why can I apply $HS^\dagger$ and then measure in the computational basis to measure $Y$?
negative_passages.docid: 108464
negative_passages.text: Necessary and sufficient conditions for a function to be the Wigner function of state
negative_passages.docid: 56670
negative_passages.text: The intuition behind generalized eigenvectors
negative_passages.docid: 131125
negative_passages.text: Link between moment-generating function and characteristic function
negative_passages.docid: 116513
negative_passages.text: Distributional Laplacian of logarithm and the Dirac delta distribution
negative_passages.docid: 91257
negative_passages.text: Fourier basis functions
negative_passages.docid: 54099
negative_passages.text: What are the eigenvalues of $\operatorname{ad}x$?
negative_passages.docid: 38482
negative_passages.text: What is $\Delta t$ in the time-energy uncertainty principle?
negative_passages.docid: 5506
negative_passages.text: Perturbation property of Orthonormal basis for Hilbert space
negative_passages.docid: 87635
negative_passages.text: Why cannot I obtain a valid SVD of X via eigenvalue decomposition of XX' and X'X?
negative_passages.docid: 123776
negative_passages.text: Questions about the Fermi-Dirac distribution at $T=0.$
negative_passages.docid: 131906
negative_passages.text: "An operator is hermitian". Implications?
negative_passages.docid: 41407
negative_passages.text: How to derive or justify the expressions of momentum operator and energy operator?
negative_passages.docid: 18564
negative_passages.text: Why is the symmetry variation $\delta_s q$ different from the ordinary variation $\delta q$?