Research Article

Relativistic Fermion on a Ring: Energy Spectrum and Persistent Current

Figure 8

Variation of susceptibility at with respect to (a) mass ( ) for a ring with and (b) ring radius ( ) for . We have used the same units as Figure 2 and susceptibility is measured in units of (Figure 7). In both cases the susceptibility curve cut the -axis at corresponding critical value, that is, at in (a) and at in (b). Both these points corresponds .
592402.fig.008a
(a)
592402.fig.008b
(b)