We derive an approximate analytical expression for the ground state of double-well BEC＇s, which reproduces highly accurately the numerical solution for the whole parameter regimes of the two-body repulsive interactio...We derive an approximate analytical expression for the ground state of double-well BEC＇s, which reproduces highly accurately the numerical solution for the whole parameter regimes of the two-body repulsive interaction strength, the total number of atoms, and the hopping parameter.展开更多
Blue economy is one of the hot research topics both at home and abroad,which is of great significance to the construction of a strong maritime country and the high-quality development of national economy.This paper su...Blue economy is one of the hot research topics both at home and abroad,which is of great significance to the construction of a strong maritime country and the high-quality development of national economy.This paper summarizes the research highlights and characteristics of blue economy at home and abroad,based on the visual analysis of analyzing 414 literature from Web of Science Core Collection Database(SSCI)and CNKI General Database,using CiteSpace 6.1.R3.The results show that:(1)The number of articles in the field of blue economy at home and abroad is on rise during 2010-2021,and the volume of foreign articles about blue economy is significantly higher than that of domestic ones.The domestic and foreign articles about blue economy were more of a theoretical mechanism research.(2)Domestic blue economy cooperation network is budding,blue economy research in coastal provinces and cities of China has policy support and scientific research advantages,and Ocean University of China is the core institution in the research field of blue economy in China.With close international blue economy network cooperation,the university is the main scientific research unit of blue economic cooperation at home and abroad.United States,the United Kingdom and Australia attach great importance to blue economy and have a good scientific research foundation,holding an absolutely dominant position in the field of blue economy research.(3)Blue industry and blue practice are the hot research topics of China's blue economy,and the evolution of research topics can be divided into three phases.Among other topics,regional analysis,sustainable blue economy,ocean governance,are the priority research areas of international blue economy research.展开更多
基金the Natural Science Foundation of Jiangxi Province of China under Grant Nos.0612006 and 2007GZW0819the Scientific Research Foundation of Education Department of Jiangxi Province under Grant No.[2007]191the Science Foundation of East China Jiaotong University under Grant No.06ZKJC01
文摘We derive an approximate analytical expression for the ground state of double-well BEC＇s, which reproduces highly accurately the numerical solution for the whole parameter regimes of the two-body repulsive interaction strength, the total number of atoms, and the hopping parameter.
文摘Blue economy is one of the hot research topics both at home and abroad,which is of great significance to the construction of a strong maritime country and the high-quality development of national economy.This paper summarizes the research highlights and characteristics of blue economy at home and abroad,based on the visual analysis of analyzing 414 literature from Web of Science Core Collection Database(SSCI)and CNKI General Database,using CiteSpace 6.1.R3.The results show that:(1)The number of articles in the field of blue economy at home and abroad is on rise during 2010-2021,and the volume of foreign articles about blue economy is significantly higher than that of domestic ones.The domestic and foreign articles about blue economy were more of a theoretical mechanism research.(2)Domestic blue economy cooperation network is budding,blue economy research in coastal provinces and cities of China has policy support and scientific research advantages,and Ocean University of China is the core institution in the research field of blue economy in China.With close international blue economy network cooperation,the university is the main scientific research unit of blue economic cooperation at home and abroad.United States,the United Kingdom and Australia attach great importance to blue economy and have a good scientific research foundation,holding an absolutely dominant position in the field of blue economy research.(3)Blue industry and blue practice are the hot research topics of China's blue economy,and the evolution of research topics can be divided into three phases.Among other topics,regional analysis,sustainable blue economy,ocean governance,are the priority research areas of international blue economy research.
