Lorentz oscillator model

Okay, so imagine you're playing with a ball on a trampoline. When you bounce the ball, it makes waves in the trampoline. And when you stop bouncing the ball, the waves eventually stop too.

Now imagine that the ball is an atom, and the trampoline is something called the "electric field" around the atom. When the atom is hit by a light wave, it starts bouncing around just like the ball. And like the waves in the trampoline, the electric field around the atom starts to move too.

The Lorentz oscillator model is a way to describe this bouncing and moving of the electric field around an atom when it absorbs light. It helps us understand how the atom interacts with light in different ways, depending on the frequency or color of the light, and the properties of the atom itself.

Basically, it's a way for scientists to study the behavior of atoms and molecules when they interact with light, and understand more about how things like lasers and other technologies work.