中國(guó)人民大學(xué)理學(xué)院理論物理導(dǎo)師介紹：魏建華

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科研項(xiàng)目：

1.國(guó)家自然科學(xué)基金：有機(jī)納米體系中載流子與外場(chǎng)相互作用及量子效應(yīng)研究 （11074303），負(fù)責(zé)人；

2.人大科學(xué)研究基金：有機(jī)納米電子學(xué)中的動(dòng)力學(xué)阻抗和憶阻研究（11XNJ026），負(fù)責(zé)人；

3.自選課題：非平衡量子多體問(wèn)題的計(jì)算方法；

4.國(guó)家自然科學(xué)基金：過(guò)渡族金屬氧化物中軌道極化子的研究 （10604037），負(fù)責(zé)人。

5.國(guó)家科技部973項(xiàng)目：電荷、自旋和軌道有序現(xiàn)象及相互競(jìng)爭(zhēng)與制約機(jī)理研究（2007CB925001），骨干。

近期論文：

1.D. Hou, J. H. Wei and S. J. Xie (2011): Gapped ferromagnetic graphene nanoribbons. Physical Chemistry Chemical Physics, DOI: 10.1039/c0cp02713h.

2.J. H. Wei, D. Hou and X. R. Wang (2010): Ferromagnetic insulator induced by Peierls instability at orbital order transition. New Journal of Physics 12, 053021

3.J. H. Wei, X. J. Liu, S. J. Xie And Yijing Yan (2009): Spin blockage in organic spintronics. Journal Of Chemical Physics 131, 064906

4.J. H. Wei, Y. L. Gao and X. R. Wang (2009): Inverse square-root field dependence of conductivity in organic field-effect transistors. Applied Physics Letters 94, 073301

5.J. H. Wei, X. J. Liu, J. Berakdar, and YiJing Yan (2008): Pathways of polaron and bipolaron transport in DNA double strands. Journal of Chemical Physics 128, 165101.

6.J. H. Wei, S. J. Xie, L. M. Mei and YiJing Yan (2007): Conductance switching, hysteresis, and magnetoresistance in organic semiconductors. Organic Electronics 8, 487.

7.J. H. Wei, S, J. Xie, L. M. Mei and YiJing Yan (2007): Bias-induced insulator-metal transition in organic electronics. Applied Physics Letters 91, 022115

魏建華，男，1999年在山東大學(xué)獲得凝聚態(tài)物理學(xué)博士學(xué)位，博士學(xué)位論文獲得山東省優(yōu)秀論文獎(jiǎng)。畢業(yè)后，先后在韓國(guó)首爾國(guó)立大學(xué)物理系，香港城市大學(xué)物理系，以及香港科技大學(xué)物理系和化學(xué)系工作與訪問(wèn)；2000年破格晉升為山東大學(xué)副教授；2007年調(diào)入中國(guó)人民大學(xué)，現(xiàn)被聘為中國(guó)人民大學(xué)教授，博士生導(dǎo)師。

主要從事過(guò)渡金屬氧化物材料中軌道、電荷、自旋和晶格振動(dòng)多個(gè)自由度耦合所導(dǎo)致的新奇量子效應(yīng)、有機(jī)導(dǎo)體材料與分子納米結(jié)構(gòu)中的非平衡輸運(yùn)問(wèn)題，以及多體強(qiáng)關(guān)聯(lián)系統(tǒng)的非平衡輸運(yùn)問(wèn)題方面的前沿研究，已在SCI主流學(xué)術(shù)期刊上發(fā)表學(xué)術(shù)論文五十余篇。

當(dāng)前課題：

1納米體系中的非平衡量子輸運(yùn)問(wèn)題，包括有機(jī)納米體系中載流子與外場(chǎng)相互作用及量子效應(yīng)研究；有機(jī)納米電子學(xué)中的動(dòng)力學(xué)阻抗和憶阻研究等。

2.非平衡量子多體問(wèn)題的計(jì)算方法研究。這套方法基于費(fèi)因曼影響泛函理論，其表達(dá)式是一套（對(duì)系統(tǒng)-環(huán)境相互作用）非微擾的密度矩陣動(dòng)力學(xué)方程組，可利用計(jì)算機(jī)高效地?cái)?shù)值求解。密度矩陣動(dòng)力學(xué)可求解從零溫到高溫、從弱關(guān)聯(lián)到強(qiáng)關(guān)聯(lián)等不同參數(shù)范圍的非平衡（兼容平衡）量子多體問(wèn)題。本課題將發(fā)展一套高效普適的求解非平衡多體相互作用的數(shù)值計(jì)算方法，以研究當(dāng)前凝聚態(tài)物理同強(qiáng)關(guān)聯(lián)作用相關(guān)的問(wèn)題。
 
English Resume

Dr. Jianhua Wei was born on the 20th, October in 1972. He was graduated from Physics Department of Shandong University. In 1999, he received his Ph.D. in Shandong University, with his doctoral thesis being received the Outstanding Paper Award of Shandong Province. Dr. Jianhua Wei was appointed to be a teacher in Shandong University till 2007 and then he transferred to Renmin University of China. Presently, Dr. Jianhua Wei is the professor and supervisor of the Doctors in Physics Department, Renmin University of China.

Dr. Jianhua Wei is mainly engaged in following frontier researches: non-equilibrium quantum transport theory; orbital physics in transition metal oxide materials; and non-equilibrium many-body theory, etc. He has been published over 50 research papers in the mainstream academic journals.

At present, Dr. Jianhua Wei’s main research interest is to numerically solve the non-equilibrium quantum many-body problems. The formula is a set of non-perturbative dynamical equations of the density matrix, which can be efficiently solved by computers. This method can deal with different temperatures as well as different correlation strengths for many non-equilibrium many-body problems.