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Physicists build a Heat Engine consisting of One Atom

View of the vacuum chamber containing the atom trap (center). Credit: ©: AG QUANTUM, JGU

View of the vacuum chamber containing the atom trap (center). Credit: ©: AG QUANTUM, JGU

The engine is the result of experiments undertaken by the QUANTUM work group at the Institute of Physics of Johannes Gutenberg University Mainz (JGU) in collaboration with theoretical physicists of Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU). Heat engines have played an important role in shaping society ever since the Industrial Revolution. As in the case of motor vehicle engines, they transform thermal energy into mechanical force, and our modern lifestyle would be impossible without them. At the same time, progress in miniaturization is resulting in the creation of ever smaller devices.

A team used a Paul trap to capture a single electrically charged calcium atom...

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