Ornstein--Zernike correlation function

A Gaussian field with free-energy kernel

A + κ q^{2}

has structure factor proportional to

(A + κ q^{2})^{- 1}

and correlation length

κ / A

.

 Ancestors (8)

 Incoming links (8)

Landau scalar correlation length
Past exam of the mathematics course of the University of Cambridge / 2001 / iii / Paper 72 / 3 / a / Solution
Past exam of the mathematics course of the University of Cambridge / 2006 / iii / Paper 51 / 1 / b / Solution
Past exam of the mathematics course of the University of Cambridge / 2006 / iii / Paper 51 / 1 / e / Solution
Past exam of the mathematics course of the University of Cambridge / 2009 / iii / Paper 43 / 1 / b / Solution
Past exam of the mathematics course of the University of Cambridge / 2014 / iii / Paper 42 / 2 / Solution
Past exam of the mathematics course of the University of Cambridge / 2016 / iii / Paper 303 / 3 / a / Solution
Past exam of the mathematics course of the University of Cambridge / 2025 / iii / Paper 344 / 1 / e / i / Solution

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