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Physicists Engineer Novel 'Fractional Fermi Sea' Quantum State in Ultracold Atoms

ScienceDaily reports that ultracold atoms form a highly excited yet orderly configuration that defies familiar organizational rules.

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ScienceDaily reports that physicists created a “fractional Fermi sea,” a highly excited yet orderly configuration of ultracold atoms. It says the finding challenges established quantum theories and hints at exotic quasiparticles scientists have dubbed potential “super-Fermions.”

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DG Drew Grimaldi@Grimillionaire 7:01 AM · Oct 18, 2026
Physicists created a bizarre new quantum state called a fractional Fermi sea, where ultracold atoms form a highly excited yet orderly configuration.
sciencedaily.comPhysicists create a bizarre new quantum state called a fractional fermi seaPhysicists have discovered a strange new state of quantum matter in which ultracold atoms defy familiar organizational rules, forming a highly excited yet surprisingly orderly configuration called a "fractional Fermi sea." The discovery challenges established quantum theories and hints at exotic quasiparticles that scientists have dubbed potential "super-Fermions."

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@GrimillionairePhysicists created a bizarre new quantum state called a fractional Fermi sea, where ultracold atoms form a highly excited yet orderly configuration. https://www.sciencedaily.com/releases/2026/10/261018084644.htm4h

@Michael_W_DeemPhysicists have discovered a strange new state of quantum matter in which ultracold atoms defy familiar organizational rules, forming a highly excited yet surprisingly orderly configuration called a "fractional Fermi sea." The discovery challenges establis https://www.sciencedaily.com/releases/2026/10/261018084644.htm4h

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