Itinerant Spin Dynamics in Structures of ... - Jacobs University
Itinerant Spin Dynamics in Structures of ... - Jacobs University
Itinerant Spin Dynamics in Structures of ... - Jacobs University
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62 Chapter 3: WL/WAL Crossover and <strong>Sp<strong>in</strong></strong> Relaxation <strong>in</strong> Conf<strong>in</strong>ed Systems<br />
R[E]/DeQ 2 SO<br />
I[E]/DeQ 2 SO<br />
1.4<br />
1.2<br />
1.0<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
0.0<br />
2 1 0 1 2<br />
K x<br />
0.6<br />
0.4<br />
0.2<br />
0.0<br />
0.2<br />
0.4<br />
0.6<br />
(a)<br />
2 1 0 1 2<br />
K x<br />
(b)<br />
˜B<br />
0 0.5 0.8<br />
Figure 3.17: (a) Real and(b) imag<strong>in</strong>ary parts <strong>of</strong> thespectrum<strong>of</strong> the Cooperonwith Zeeman<br />
term <strong>of</strong> the strength gµ B B/D e Q 2 SO<br />
= 0...0.8 <strong>in</strong> steps <strong>of</strong> 0.1 <strong>in</strong> a f<strong>in</strong>ite wire <strong>of</strong> the width<br />
Q SO W = 0.5. The B <strong>in</strong>dependent mode E t0 is not shown.