PHYSICS:
Heavy Fermions in the Original Fermi Liquid
Christopher A. Hooley and Andrew P. Mackenzie
In some complex materials, the electrons appear to be unexpectedly heavy. Helium atoms show similar behavior in much simpler thin films of helium-3.
The authors are at the Scottish Universities Physics Alliance, School of Physics & Astronomy, University of St Andrews, Fife KY16 9SS, Scotland. E-mail: cah19{at}stand.ac.uk, apm9{at}st-and.ac.uk