VISUAL ARCHIVE / IMAGE STORY
A Quantum Cat Without a Cat
The metallic cluster and branching paths are a metaphor for an interference result, not a literal split animal.
A metaphorical visualization of the University of Vienna experiment. No literal cat entered a quantum state. What did was something far more interesting: a metallic nanoparticle containing more than 7,000 atoms.
THE OBSERVATION
What we can actually see.
The experiment detected matter-wave interference from sodium nanoparticles containing more than 7,000 atoms. The fringe pattern is the relevant measurement and supports quantum coherence in the clusters' motion.
THE ILLUSTRATION
What the artwork imagines.
Visible duplicate particles, colored wave ribbons, and a catlike silhouette make an abstract state graspable. The team did not photograph individual clusters occupying two visible tracks or put a living cat into the instrument.
FROM THE ILLUSTRATED ARTICLE
The story that inspired it.
The article asks what happens when quantum interference is demonstrated with objects larger and more complex than those used in earlier tests, while leaving the ultimate quantum-classical boundary open.
Read They Put 7,000 Atoms in a Schrödinger’s Cat StateCHECK THE RECORD
The image interprets the research below. Follow the original work for the measurements and limits behind the scene.
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