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Galerkin Finite Element Study on the Effects of Variable Thermal Conductivity and Variable Mass Diffusion Conductance on Heat and Mass Transfer被引量：1
《Communications in Theoretical Physics》2018年第7期49-59,共11页Imran Haider Qureshi M.Nawaz Shafia Rana T.Zubair 
Supported the Higher Education Commission(HEC)of Pakistan for the financial support under NRPU vides No.5855/Federal/NRPU/R&D/HEC/2016
This article investigates the effects of variable thermal conductivity and variable mass diffusion coefficient on the transport of heat and mass in the flow of Casson fluid. Numerical simulations for two-dimensional f...
关键词：variable diffusion coefficients grid independent study CONVERGENCE error analysis Nusselt num-ber Casson fluid Joule heating viscous dissipation 
Conductance Spectra in Graphene-Superconductor Junctions
《Communications in Theoretical Physics》2015年第1期109-114,共6页田杰 周世平 邓振炎 
Supported by the National Natural Science Foundation of China under Grant No.61271163
The conductance spectra of a graphene ribbon and graphene-superconductor （G-S） junctions are investi- gated, using the tight-binding model and non-equilibrium Green＇s function formalism. It is found that the quanti...
关键词：GRAPHENE SUPERCONDUCTOR edge-state conductance spectrum 
Realization of Spin Switch in a Triple-Terminal Double-Quantum-Dot Structure
《Communications in Theoretical Physics》2010年第1期185-189,共5页江翠 
Electron transport through a triple-terminal double-quantum-dot structure is theoretically studied. By adjusting the chemical potential in leads, two channels in this system are created, and in the presence of magneti...
关键词：quantum dot CONDUCTANCE spin switch 
Dependence of Conductance of Corrugated Graphene Quantum Dot on Geometrical Features
《Communications in Theoretical Physics》2009年第11期960-964,共5页LI Gui-Qin DENG Jing-Kang CAI Jun 
Dependence of conductance of corrugated graphene quantum dot(CGQD)on geometrical features includinglength,width,connection and edge is investigated by the first principles calculations.The results demonstrate that the...
关键词：corrugated graphene CONDUCTANCE first principles calculations geometrical features 
Current Reversal and Negative Conductance for a Super-Conducting Junctions Device
《Communications in Theoretical Physics》2009年第5期853-856,共4页LI Jing-Hui 
supported by National Natural Science Foundation of China;K.C.Wong Magna Fund in Ningbo University of China;the Natural Science Foundation of Ningbo in China
In the paper, we study a super-conducting junctions device subject to an input periodic signal and a constant force. It is shown that, for this device, we can get current reversals for the current of the electron pair...
关键词：current reversal negative conductance Josephson junction 
Fano Effect in T-Shaped Double Quantum Dot Structure with Decoherence Effect
《Communications in Theoretical Physics》2008年第3期771-776,共6页GAO Wen-Zhu GONG Wei-Jiang ZHENG Yi-Song LIU Yu LU Tian-Quan 
supported by National Natural Science Foundation of China under Grant No.10774055
By introducing a floating lead to mimic the decoherence mechanism, the Fano effect in the linear conductance spectrum of a T-shaped double quantum dot structure is studied. We find that even in the case that the self-...
关键词：quantum dot CONDUCTANCE Pkno effect 
AC Conductance Through a Vibrating Molecular Dot in Kondo Regime被引量：1
《Communications in Theoretical Physics》2007年第12期1107-1114,共8页Hyun-Chul Yong 
In the present paper,by applying the Lang-Firsov canonical transformation and the so-called non-crossingapproximation technique,we investigate the joint effects of the electron-phonon interaction and an external alter...
关键词：quantum dot Kondo effect electron-phonon interaction AC conductance 
Transport Properties of Two-Dimensional Electron Gases in Antiparallel Magnetic-Electric Barrier Structures
《Communications in Theoretical Physics》2006年第2X期348-352,共5页PING Yun-Xia CHENG Ze 
The project supported by National Natural Science Foundation of China under Grant Nos. 19847004 and 10474025.
We study theoretically transport properties of two-dimenslonal electron gases through antiparallel magneticelectric barrier structures. Two kinds of magnetic barrier configurations are employed： one is that the stren...
关键词：magnetic-electric barrier resonant tunneling wave-vector filtering TRANSMISSION CONDUCTANCE 
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