Superconducting coherence length

A Superconducting coherence length, usually denoted as ξ, can be interpreted in two different ways:

• It gives approximate spatial dimension (size) of the Cooper pair,
• It sets the length scale on which the superconducting order parameter changes considerably.

Additional recommended knowledge

What is the Sensitivity of my Balance?

Weighing the right way

Recognize and detect the effects of electrostatic charges on your balance

The superconducting coherence length (ξ) is one of two parameters in a Ginzburg-Landau theory of superconductivity.

See also

• phenomenological Ginzburg-Landau theory of superconductivity
• microscopic BCS theory of superconductivity