Summary

Physicists have uncovered a strange new form of quantum behavior in which particles organize themselves in ways that challenge established theories. Even more surprising, the particles maintain a remarkable hidden order despite being driven into an extremely energetic state. In a study published in Physical Review Letters , researchers from the group led by Hanns-Christoph Nägerl, working with theoretical physicist Alvise Bastianello of the CNRS and Université Paris-Dauphine, describe how to engineer an exotic quantum state known as a "fractional Fermi sea."

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