Physicists smash particle imitators

‘Quasiparticle’ collider could help devise better materials for solar cells, electronics

illustration of quasiparticle collider

PARTICLE IMPERSONATOR Scientists have made the first quasiparticle collider, which smashes together faux-particles that appear in solids. In this illustration, quasiparticles (red and blue lines) collide head-on in a solid material (grid of spheres) releasing a burst of light.

Fabian Langer/Univ. of Regensburg

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