Fermi-Dirac statistics facts for kids
Fermi-Dirac statistics is a branch of quantum statistics. It is named after Enrico Fermi and Paul Dirac. It is used to describe the macroscopic state of a system which is made of many simliar particles (Fermions). One example is to describe the state of electrons in metals and semimetals, to describe electrical conductivity.
Fermi-Dirac statistics makes the following assumptions:
- None of the states of the particles can hold more than one particle (known as Pauli exclusion principle)
- Exchanging a particle for another similar particle will not lead to a new state, but will give the same state (known as Identical particles)
The Fermi distribution tells with what probability, a Fermi gas, at a given temperature and energy level, will have a particle in the given state.
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