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neutrons / multiphonon

multiphonon (getDOS)
MIT License
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multiple-scattering: should be C_ms X (single+multiphonon) #125

Open yxqd opened 5 years ago

yxqd commented 5 years ago

https://github.com/sns-chops/multiphonon/blob/3b4ea977ffa659d6f1f705e233a640db63f26e6c/multiphonon/ms.py#L11

yxqd commented 5 years ago

MS_contrib = \sum {C_ms ^ n n-scattering terms}

2-scattering: elastic+single-phonon, single-phonon+single-phonon, elastic+double-phonon, elastic+triple-phonon, .... 3-scattering: elastic+elastic+single-phonon, elastic+single-phonon+single-phonon, single-phonon+single-phonon+siingle-phonon,