A new type of chemistry performed at very cold temperatures on very small particles enables quick, precise reactions.
Long theorized but never before seen, quantum superchemistry is a phenomenon in which atoms or molecules in the same quantum state chemically react more rapidly than do atoms or molecules that are in different quantum states. A quantum state is a set of characteristics of a quantum particle, such as spin or energy level.
The team reported their findings July 24 in the journal Nature Physics. They observed the quantum superchemistry in cesium atoms that paired up to form molecules. First, they cooled cesium gas to near absolute zero, the point at which all motion ceases. In this chilled state, they could ease each cesium atom into the same quantum state. They then altered the surrounding magnetic field to kick off the chemical bonding of the atoms.
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