= Piers Coleman
{c}
{tag=Physicist}
{wiki}
<Piers Coleman> studies strongly interacting <electrons>, particularly <heavy fermions> and the <Kondo lattice>. In these materials, coupling between mobile <electrons> and local magnetic moments can produce coherent low-energy <quasiparticles> with a very large <effective mass>. His theoretical exposition connects the screening of one magnetic moment in the <Kondo effect> with collective behavior in a lattice of such moments. The competition with magnetic interactions helps organize questions about <magnetism>, <superconductivity> and the breakdown of the heavy-electron state.<Heavy Fermions and the Kondo Lattice: A 21st Century Perspective by Piers Coleman>[2015 lecture notes, sections 1.1–1.3 and abstract]{ref}
\Image[https://commons.wikimedia.org/wiki/Special:Redirect/file/Piers_Coleman_2018.jpg?width=260]
{title=Portrait of <Piers Coleman>}
{description=Pierscoleman, 3 December 2018. https://creativecommons.org/licenses/by-sa/4.0/[CC BY-SA 4.0], via Wikimedia Commons.}
{source=https://commons.wikimedia.org/wiki/File:Piers_Coleman_2018.jpg}
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