The Pauli exclusion principle is a law of quantum mechanics introduced by Austrian physicist Wolfgang Pauli, which offers valuable insight about the structure of matter. More specifically, the Pauli principle states that two or more identical fermions cannot simultaneously occupy the same quantum state inside a quantum system.
Researchers at Heidelberg University's Physics Institute have recently observed this principle directly in a continuous system comprised of up to six particles. Their experiment, outlined in a paper published in Physical Review Letters, could pave the way towards a better understanding of strongly interacting systems comprised of fermions.
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