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Quarks Influenced by Their Neighborhood
November 20, 2009
The quark structure inside protons and neutrons changes based on the local nuclear environment, according to electron accelerator experiments.
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Frédéric Chevy
Frédéric Chevy is an associate professor at the École Normale Supérieure in Paris and is a member of the Institut Universitaire de France. He studies the dynamics of quantum as well as classical fluids. His latest research involves the experimental study of the BEC-BCS crossover in ultracold Fermi gases and the discovery of a simple analytical wave function encapsulating the main features of the Fermi polaron.
Swimming in the Fermi sea
The fermionic analog of a solid-state polaron (an electron surrounded by a cloud of phonons) has been created by dropping a spin-down atom into a Fermi sea of spin-up ultracold atoms. Read More »