ABSTRACT
Recently, spin phenomena in mesoscopic systems have come into
the focus of attention. How to efficiently control and manipulate the
spin in semiconductor mesoscopic structures is the central issue in
spintronics. Quantum dots are among the most studied mesoscopic
systems due to their physical properties as well as their potential
applications in electronic devices. The interplay between spin inter-
ference with spin-orbit interaction or electron interaction gives rise
to a variety of unexpected spin phenomena in mesoscopic systems
and allowsmoreover to control and engineer the spin of the electron.
In this review, an efficient and flexible numerical algorithm, i.e.,
Keldysh nonequilibrium Green’s function approach is explained and
employed to investigate the spin-dependent transport properties in
multi-quantum dots with spin-orbit interaction and multi-leads.
