Relativistic effects, spin-orbit coupling and non-collinear ... - WIEN 2k
Relativistic effects, spin-orbit coupling and non-collinear ... - WIEN 2k
Relativistic effects, spin-orbit coupling and non-collinear ... - WIEN 2k
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Dirac equation in a spherical potentialFor a spherical potential V(r):The resulting equations for the radial functions (g n <strong>and</strong> f n ) are simplifiedif we define:2 ' V ' m ecrEnergy:Radially varying mass: Mer me22cThen the coupled equations can be written in the form of the radial eq.:1ddrdgl22l1 dV dg dV 122 2 nnr Vg2 2 n2 22 22Mer dr 2Mer 4Mdr drec4Mecdrrgn ' gnMass-velocity effectDarwintermSpin-<strong>orbit</strong><strong>coupling</strong>22me12rddrr2dRdrn,l V22mel l 12rRn,l Rn,lOne electron radialSchrödinger equation in aspherical potentialNote that:1ll1