703 citations
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8 papers · 1 filter
Nonequilibrium dynamical ferromagnetism of interacting Single-Molecule Magnets
Gui-Bin Liu, Bang-Gui Liu
We propose a nonequilibrium Monte Carlo (MC) approach to explore nonequilibrium dynamical ferromagnetism of interacting single molecule magnets (SMMs). Both quantum spin tunneling…
Conductance plateau in quantum spin transport through an interacting quantum dot
Yun-Juan Bao, Ning-Hua Tong, Qing-Feng Sun +1
Quantum spin transport is studied in an interacting quantum dot. It is found that a conductance "plateau" emerges in the non-linear charge conductance by a spin bias in the Kondo r…
Persistent spin current in nano-devices and definition of the spin current
Qing-feng Sun, X. C. Xie, Jian Wang
We investigate two closely related subjects: (i) existence of a pure persistent spin current in semiconducting mesoscopic device with a spin-orbit interaction's (SOI), and (ii) the…
Transmission phase shift of phonon-assisted tunneling through a quantum dot
Juntao Song, Qing-feng Sun, Hua Jiang +1
The influence of electron-phonon interaction on the transmission phase shift of an electron passing through a quantum dot is investigated by using the scattering theory. The transm…
Measuring the phonon-assisted spectral function by using a non-quilibrium three-terminal single-molecular device
Juntao Song, Qing-feng Sun, Jinhua Gao +1
The electron transport through a three-terminal single-molecular transistor (SMT) is theoretically studied. We find that the differential conductance of the third and weakly couple…
Surface plasmon polaritons assisted diffraction in periodic subwavelength holes of metal films with reduced interplane coupling
Xu Fang, Zhiyuan Li, Yongbing Long +8
Metal films grown on Si wafer perforated with a periodic array of subwavelength holes have been fabricated and anomalous enhanced transmission in the mid-infrared regime has been o…