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
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
基金Supported by the National Natural Science Foundation of China
文摘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.
文摘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.
