Scientists have recently made an incredible discovery: a long-sought-after “van Hove singularity” has been revealed in a Fermi gas. This singularity is a point in a material’s energy spectrum that has long been theorized but never observed. It marks a point of energy at which electrons in a material become highly mobile, meaning they can move easily through the material and influence its properties. This discovery is a major breakthrough and could lead to a better understanding of many properties of materials, such as superconductivity.

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source: Phys.org