# Jason R. Petta

Jason Petta is an assistant professor in the department of physics at Princeton University. His research is focused on the control of quantum coherence in semiconductor nanostructures (http://pettagroup.princeton.edu).

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## Electronic refrigeration on the micron scale

Published April 6, 2009

A quantum dot refrigerator that cools an electron gas close to $100\phantom{\rule{0.333em}{0ex}}\text{mK}$ may allow experimentalists to better probe electron-electron interactions in quantum confined systems.