Dynamical mean field theory

Dynamical Mean Field Theory, or DMFT for short, is a way that scientists use to understand how materials behave. Let's start by thinking about a piece of metal. When we heat up this metal, electrons start to move around inside of it. These electrons affect how the metal behaves, like if it conducts electricity or if it is magnetic.

DMFT is like a special tool that lets scientists understand how these electrons move around inside of the metal. They pretend that the whole piece of metal is just one tiny part of a really big system, kind of like one tiny fish in a big ocean. Scientists can then use fancy math to figure out how the electrons are moving around within this system.

The cool thing about DMFT is that it takes into account something called "correlations". Correlations happen when two electrons interact with each other, like how two friends might influence each other's actions. DMFT makes sure to include these correlations in its calculations, so scientists can get a really accurate picture of how the electrons are behaving inside the metal.

So, in summary, DMFT is a tool that scientists use to understand how electrons move around in materials like metals. They use fancy math to study the way these electrons interact with each other, and this helps them understand how the material behaves in different situations.