Is it possible to get below absolute zero

Science , 52—55 Medley, P. Rapp, A. Mandt, S. Download references. You can also search for this author in PubMed Google Scholar. Super gas meets with no resistance Nov Simulation: Quantum leaps Nov Cameras to focus on dark energy Sep Quantum group, Ludwig Maximilian University. Wolfgang Ketterle. Reprints and Permissions. Merali, Z. Quantum gas goes below absolute zero. Nature Download citation. Published : 03 January Anyone you share the following link with will be able to read this content:.

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Your message to the editors. Your email only if you want to be contacted back. Send Feedback. Thank you for taking time to provide your feedback to the editors. But drive a temperature lower and lower, beyond the coldest realms in the Arctic and past those in the most distant reaches of outer space, and eventually you hit an ultimate limit: absolute zero. At minus Atomic and molecular motion ceases. Trying to create a temperature below absolute zero would be like looking for a location south of the South Pole.

Of course, scientists perceive such barriers as challenges. And now some lab trickery has enabled researchers to manipulate atoms into an arrangement that appears to cross the forbidden border. With magnets and lasers, a team at Ludwig-Maximilians University Munich in Germany has coaxed a cloud of , potassium atoms into a state with a negative temperature on the absolute scale.

As a bonus, the weird configuration of matter might provide clues to some deep mysteries about the universe.