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Debye-Waller Factor

Applicable units are those of quantitykind:Debye-WallerFactor

"Debye-Waller Factor" (DWF), named after Peter Debye and Ivar Waller, is used in condensed matter physics to describe the attenuation of x-ray scattering or coherent neutron scattering caused by thermal motion. Also, a factor by which the intensity of a diffraction line is reduced because of the lattice vibrations.

http://en.wikipedia.org/wiki/Debye–Waller_factor

http://www.iso.org/iso/catalogue_detail?csnumber=31897

$u = R - R_0$, where $R$ is the particle position vector and $R_0$ is the equilibrium position vector of a particle.

"Debye-Waller Factor" (DWF), named after Peter Debye and Ivar Waller, is used in condensed matter physics to describe the attenuation of x-ray scattering or coherent neutron scattering caused by thermal motion. Also, a factor by which the intensity of a diffraction line is reduced because of the lattice vibrations.

D, B