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Search Results: 1 - 10 of 240234 matches for " Zhi-Rong Lü "
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Current and Shot Noise in a Quantum Dot Coupled to Ferromagnetic Leads in the Kondo Regime
Lü,Rong,LIU Zhi-Rong,
吕嵘
,刘志荣

中国物理快报 , 2007,
Abstract: Using the Keldysh nonequilibrium Green function technique, we study the current and shot noise spectroscopy of an interacting quantum dot coupled to two ferromagnetic leads with different polarizations in the Kondo regime. General formulas of current and shot noise are obtained, which can be applied in both the parallel (P) and antiparallel (AP) alignment cases. For large polarization values, it is revealed that the behaviour of differential conductance and shot noise are completely different for spin up and spin down configurations in the P alignment case. However, the differential conductance and shot noise have similar properties for different spin configurations in the P alignment case with the small polarization value and in the AP alignment case with any polarization value.
Skin Diseases-Related Enzymes: Mechanisms and Clinical Applications
Yong-Doo Park,Jun-Mo Yang,Zhi-Rong Lü
Enzyme Research , 2011, DOI: 10.4061/2011/464507
Abstract:
Skin Diseases-Related Enzymes: Mechanisms and Clinical Applications
Yong-Doo Park,Jun-Mo Yang,Zhi-Rong Lü
Enzyme Research , 2011, DOI: 10.4061/2011/464507
Abstract:
Patterned nanostructure in AgCo/Pt/MgO(001) thin film
Zhi-Rong Liu,Huajian Gao,L. Q. Chen,Kyeongjae Cho
Physics , 2002, DOI: 10.1103/PhysRevB.68.035429
Abstract: The formation of patterned nanostructure in AgCo/Pt/MgO(001) thin film is simulated by a technique of combining molecular dynamics and phase-field theory. The dislocation (strain) network existing in Pt/MgO is used as a template whose pattern is transferred to AgCo phase in spinodal decomposition, resulting in regular arrays of Co islands that are attracted by the dislocations. The influence of various factors, such as component concentration and film thickness, is studied. It is found that the spinodal decomposition of AgCo in this system is mainly characterized by a competition between a surface-directed layer structure and the strain-induced patterned structure, where the patterned Ag-Co structure only dominates in a small range near the interface (less than 10 atomic layers). However, if the interlayer diffusion can be minimized by controlling film growth conditions, it is shown that the patterned structure can be formed throughout the entire film.
Dimethyl 1-cyanomethyl-1H-pyrazole-3,5-dicarboxylate
Zhi-Rong Qu
Acta Crystallographica Section E , 2009, DOI: 10.1107/s160053680902306x
Abstract: The title molecule, C9H9N3O4, syhthesized from 1H-pyrazole-3,5-dicarboxylic acid and 2-bromoacetonitrile, is approximately planar; the interplanar angles between the pyrazole ring and the mean planes of the two carboxylate units and the cyanomethyl unit are 4.49 (10), 5.56 (9) and 5.03 (19)°, respectively. In the crystal, inversion dimers linked by pairs of weak C—H ...O bonds occur, and the packing is further stabilized by aromatic π–π stacking [centroid–centroid separation = 3.793 (4) ].
Teleportation of a Superposition of Three Orthogonal States of an Atom without Bell-State Measurement

ZHONG Zhi-Rong,

中国物理快报 , 2008,
Abstract:
Multi-Atom Entanglement Engineering in Distant Cavities via Resonant Interaction

ZHONG Zhi-Rong,

中国物理快报 , 2010,
Abstract:
Generation of four-photon W state via cavity QED

Zhong Zhi-Rong,

中国物理 B , 2008,
Abstract: This paper proposes an alternative scheme for generating four-photon W state via cavity QED. The scheme bases on the resonant interaction of a \Lambda -type three level atom with two bimodal cavities. The detection of atom collapses the cavity to the desired state. Comparing with previous schemes, the advantage of this scheme is that the interaction time can be greatly shortened since it uses the resonant interaction between atom and cavities. Moreover, the proposed scheme is more experimentally feasible than the previous ones.
A scheme for approximate conditional teleportation of entangled two-mode cavity state without Bell state measurement

Zhong Zhi-Rong,

中国物理 B , 2008,
Abstract: An alternative scheme to approximately conditionally teleport entangled two-mode cavity state without Bell state measurement in cavity QED is proposed. The scheme is based on the resonant interaction of a ladder-type three-level atom with two bimodal cavities. The entangled cavity state is reconstructed with only one atom interacting with the two cavities successively.
Current and Shot Noise in a Quantum Dot Coupled to Ferromagnetic Leads in the Large U Limit
Rong Lu,Zhi-Rong Liu
Physics , 2002,
Abstract: Using the Keldysh nonequilibrium Green function technique, we study the current and shot noise spectroscopy of a single interacting quantum dot coupled to two ferromagnetic leads with different polarizations. The polarizations of leads can be both parallel and antiparallel alignments. General formulas of current and shot noise are obtained, which can be applied in both the parallel and antiparallel alignment cases. We show that for large polarization value, the differential conductance and shot noise are completely diferent for spin up and spin down configurations in the parallel alignment case. However, the differential conductance and shot noise have the similar properties for parallel alignment case in the small polarization value and for antiparallel alignment case in any polarization value.
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