Correlations in Space and Time and Born Approximation Scattering in Systems of Interacting Particles

摘要: A natural time-dependent generalization is given for the well-known pair distribution function $g(\mathrm{r})$ of systems interacting particles. The in space and time thus defined, denoted by $G(\mathrm{r}, t)$, gives rise to a very simple entirely general expression angular energy Born approximation scattering system. This extension familiar Zernike-Prins formula which transfers are not negligible compared scattered particle. It therefore particular interest slow neutrons particles: $G$ then proper terms analyze data.After defining expressing it, paper studies its properties indicates role neutron scattering. qualitative behavior liquids dense gases described long-range part exhibited near critical point calculated. explicit crystals ideal quantum briefly derived discussed.