The Born approximation replaces the unknown total field inside a scattering integral by the known incident field, thereby retaining only single scattering. In nonrelativistic quantum mechanics, first-order Lippmann-Schwinger iteration gives
The Born approximation is a method used in quantum scattering theory and other areas of physics to simplify the analysis of scattering processes. It is particularly useful when dealing with instances where the potential scattering is weak. The approximation derives from the mathematical treatment of scattering states and relies on certain assumptions about the interaction between particles.
New to topics? Read the docs here!