Kronecker delta/Related Articles

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A list of Citizendium articles, and planned articles, about Kronecker delta.
See also changes related to Kronecker delta, or pages that link to Kronecker delta or to this page or whose text contains "Kronecker delta".

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  • Delta (disambiguation) [r]: Add brief definition or description
  • Dirac delta function [r]: Sharply peaked function, generalization of the Kronecker delta; a distribution that maps a regular function onto a single function value. [e]
  • Hermite polynomial [r]: Polynomials Hn that are orthogonal with respect to an inner product defined as [e]
  • Hermitian operator [r]: linear operator on an inner product space that is equal to its Hermitian adjoint; also called self-adjoint operator. [e]
  • Identity matrix [r]: A square matrix with ones on the main diagonal and zeroes elsewhere: the identity element for matrix multiplication. [e]
  • Legendre polynomials [r]: Orthogonal polynomials in the variable −1 ≤ x ≤ 1 and weight function w(x) = 1. [e]
  • Multipole expansion of electric field [r]: an expansion in terms of powers of 1/R of an electric potential outside a charge distribution; R is the distance of a point outside to a point inside the charge distribution. [e]
  • Pauli spin matrices [r]: Three anticommuting matrices, each having two rows and two columns, which represent the components of the electron spin operator. [e]
  • Rotating wave approximation [r]: An approximation used in atom optics and magnetic resonance. [e]
  • Rotation matrix [r]: a 3×3 proper (unit determinant) orthogonal (orthonormal rows and columns) matrix [e]
  • Trace (mathematics) [r]: Sum of diagonal elements of matrix; for linear operator T, the trace is Σkvk|T|vk⟩ where {vk} is an orthonormal basis. [e]