= Philip Russell Wallace
{c}
{tag=Physicist}
{title2=1915–2006}
= P. R. Wallace
{c}
{synonym}
= Philip R. Wallace
{c}
{synonym}
= Phil Wallace
{c}
{synonym}
A theoretical <condensed matter physicist> who calculated the <energy bands> of <graphite> using the <tight-binding approximation>. His 1947 analysis connected the layered structure to strongly direction-dependent transport and magnetic response. Modeling how electronic states spread between neighboring atoms made the bulk behavior accessible from a relatively simple lattice description.<The Band Theory of Graphite by Philip Russell Wallace>[Abstract: tight binding, conductivity anisotropy and magnetic response]{ref}
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