Abstract
Nonadiabatic spin transport through ring geometries in inhomogeneous magnetic fields was studied. The explicit dependence of the transmission on the scaled field strength was numerically and analytically observed, elucidating the role of geometrical phases in quantum transport and possible experimental realizations. For in-plane fields and symmetric ballistic structures, it was demonstrated how an additional small flux φ can be used to control spin flips and to tune the colarization of transmitted electrons.
| Original language | English |
|---|---|
| Pages (from-to) | 256601/1-256601/4 |
| Number of pages | 256601 |
| Journal | Physical Review Letters |
| Volume | 87 |
| Issue number | 25 |
| DOIs | |
| State | Published - Dec 17 2001 |
| Externally published | Yes |
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