The Dirac Equation in Low Energy Condensed Matter Physics
February 06, 2017
April 19, 2017
Electrons in low energy condensed matter physics are typically treated using
the non-relativistic Schrodinger or Pauli equations, with relativistic effects
included, if at all, via corrections of order v/c. We show that using the full Dirac
equation with 4-component spinors leads to a number of important qualitative
effects and, perhaps surprisingly, some striking simplifications over the
conventional lower energy treatments, already for nuclei with Z >2.
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