Physicists at UC Santa Barbara have unlocked the secrets of an extraordinary material made of bosons. Traditionally, the scientific community has focused on understanding the behavior of fermions, the subatomic particles responsible for the stability and interaction of matter. However, this recent breakthrough explores the unique properties of bosons, shedding light on a less explored realm of particle physics.
By overlapping lattices of tungsten diselenide and tungsten disulfide in a twisted configuration known as a moiré pattern, they created a highly ordered crystal of bosonic particles called excitons, resulting in a new state of matter termed a "bosonic correlated insulator."
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