Wiedemann-Franz law [′vēd·ə‚män ′fränts ‚lȯ]
Wiedemann-Franz law
is the thermal conductivity due to the conduction electrons, σ is the electrical conductivity, T is the absolute temperature, and L0 is known as the Lorentz number. The Wiedemann-Franz law provides an important check on theories of electrical and thermal conductivity. See Conduction (heat), Thermal conduction in solids
(solid-state physics)
The law that the ratio of the thermal conductivity of a metal to its electrical conductivity is a constant, independent of the metal, times the absolute temperature. Also known as Lorentz relation.
Wiedemann-Franz law
An empirical law of physics which states that the ratio of the thermal conductivity of a metal to its electrical conductivity is a constant times the absolute temperature, as given by the equation below. Here Kc
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