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The Effective Hamiltonian and Electron Correlation Energy
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作者 Deng Conghao and Feng Dacheng (Theoretical Chemistry Division, Shandong University, Ji’ nan)Deng Lu (Department of Physics, Baylor University, Waco, Texas, U. S. A. )Li Dazhong (Department of Physics, University of British Columbia, Canada) 《Chemical Research in Chinese Universities》 SCIE CAS CSCD 1989年第4期336-343,共8页
An effective,hermitian hamiltonian is derived in amodel space. Its perturbation expressions to third order approximation are given.The correlation energy is also given to the third order approximation.The effective ha... An effective,hermitian hamiltonian is derived in amodel space. Its perturbation expressions to third order approximation are given.The correlation energy is also given to the third order approximation.The effective hamiltonian deviates form the actual one by the presence of acorrelation operator.The cprrelation operatop is given in an explicit form. 展开更多
关键词 fective hamiltonian Model space Transition operatop expansion operator Correlation energy
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WANG HONGXIANG STRESSED THE NEED TO FULFILL DUTIES AND MISSIONS,GIVE PLAY TO ADVANTAGES,AND CONTRIBUTE THE STRENGTH OF THE RULE OF LAW TO ADVANCING CHINESE MODERNIZATION THROUGH HIGH-QUALITY DEVELOPMENT AT THE MEETING OF THE CHINA LAW SOCIETY ON STUDYING
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作者 Zhai Yujia(Translated) 《China Legal Science》 2025年第3期159-160,共2页
On March 14,2025,the China Law Society held a meeting on studying and implementing the spirit of the National People’s Congress and the Chinese People’s Political Consultative Conference(hereinafter referred to as t... On March 14,2025,the China Law Society held a meeting on studying and implementing the spirit of the National People’s Congress and the Chinese People’s Political Consultative Conference(hereinafter referred to as the Two Sessions).Wang Hongxiang,Secretary of the leading Party members group and Executive Vice President of the China Law Society,presided over the meeting and emphasized the need to ef fectively unify our thoughts and actions with the spirit of General Secretary Xi Jinping’s important speeches and the spirit of the Two Sessions,continue to strengthen publicity and interpretation,strictly implement benchmarks,give better play to the advantages and positive role of the law society in serving the overall work of the Party and the country,and contribute the strength of the rule of law to advancing Chinese modernization through high-quality development. 展开更多
关键词 General Secretary Xi Jinping rule law fectively unify our thoughts actions studying implementing spirit national people s congress high quality development Chinese modernization China Law Society Two Sessions
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