中子物质中超流性的自能色散效应

利用扩展的 Brueckner- Hartree- Fock理论与推广的 BCS方法研究了自能的色散效应和基态关联对中子物质中超流性和能隙的影响 .研究结果表明 ,自能的色散效应使中子物质中能隙减小 ;考虑基态关联后 ,超流性将进一步减弱

核物质中的三体核力效应和相对论效应

在BHF理论框架内 ,利用两体现实核力和微观三体核力研究了核物质状态方程 ,仔细计算和分析了核介质中不同的基本微观过程导致的三体核力对核物质状态方程的贡献 ,与相对论DBHF方法的计算进行了比较 .结果表明 ,DBHF方法中包含的对核物质状态方程的主要相对论修正来自于核介质中伴随着自由核子 -反核子对虚激发中间过程对核子相互作用中标量σ介子交换过程介质修正效应所导致的三体核力 ,而来自于其他的基本微观过程的三体核力对核物质状态方程的贡献并不能完全相互抵消 ,它们的总贡献甚至在饱和密度附近也是不能忽略

由QCD求和规则计算s夸克质量

简要回顾了量子色动力学求和规则在计算s夸克质量方面的应用。结合Dominguez,Gend和Paver的工作,重新考虑渐近自由阈以下的谱函数后,计算了s夸克的质量,得到s夸克的跑动质量-ms(1 GeV)=219 MeV。讨论了影响计算结果精度的可能因素

QCD求和规则与强子物理

量子色动力学(QCD)求和规则是强子物理研究中的一种重要的非微扰方法,已经成为强子物理与核物理研究中有力的工具。简单介绍了QCD求和规则的基本概念、方法与应用,特别讨论了QCD求和规则近年来的发展和与之相关的一些前沿问题

Nucleon 3PF2 Superfluid Pairing Gap in Asymmetry Nuclear Matter

The 3PF2 superfluidity of neutron and proton is investigated in isospin-asymmetric nuclear matter within the Brueckner–Hartree–Fock approach and the BCS theory by adopting the Argonne V14 and the Argonne V18 nucleon-nucleon interactions. We find that pairing gaps in the 3PF2 channel predicted by adopting the AV14 interaction are much larger than those by the AV18 interaction. As the isospin-asymmetry increases, the neutron 3PF2 superfluidity is found to increase rapidly, whereas the proton one turns out to decrease and may even vanish at high enough asymmetries.As a consequence, the neutron 3PF2 superfluidity is much stronger than the proton one at high asymmetries and it predominates over the proton one in dense neutron-rich matter

中子物质中的~3PF_2态超流性和微观三体核力效应

利用Brueckner-Hartree-Fock(BHF)和BCS理论方法,计算了纯中子物质中处于3PF2态的中子对关联能隙,特别是研究并讨论了微观三体核力对3PF2态中子超流性强弱的影响.结果表明:三体核力显著地增强了中子物质中3PF2态中子超流性;当采用BHF单粒子能谱时,三体核力导致相应的对关联能隙峰值由0.22MeV增大到0.50MeV

量子辐射场与经典流的相互作用 hω(4)线性非自治量子系统的代数动力学求解

利用代数动力学方法,分别在两种不同的规范条件下,得到了描述量子辐射场与经典流相互作用的hw(4)线性非自治量子系统在谐振子表象和相干态表象中的精确解及其Cartan不变算子,建立和澄清了量子解与经典解之间存在的直接对应的规则.结果表明代数动力学方法对于具有非半单李代数结构的线性动力系统仍然适用

Nucleon 3PF2 Superfluid Pairing Gap in Asymmetry Nuclear Matter

The 3PF2 superfluidity of neutron and proton is investigated in isospin-asymmetric nuclear matter within the Brueckner–Hartree–Fock approach and the BCS theory by adopting the Argonne V14 and the Argonne V18 nucleon-nucleon interactions. We find that pairing gaps in the 3PF2 channel predicted by adopting the AV14 interaction are much larger than those by the AV18 interaction. As the isospin-asymmetry increases, the neutron 3PF2 superfluidity is found to increase rapidly, whereas the proton one turns out to decrease and may even vanish at high enough asymmetries.As a consequence, the neutron 3PF2 superfluidity is much stronger than the proton one at high asymmetries and it predominates over the proton one in dense neutron-rich matter

The Research on Citizen Satisfaction Towards Guangxi Government Affairs Service——From the Perspective of the Masses to Handle Affairs

广西政务服务"十二五"规划的实施已经结束,对在此期间所取得的成就及存在的问题进行总结十分有必要。通过对到政务服务中心办事的群众进行问卷调查、收集数据,运用SPSS21.0分析软件对所得数据进行分析,得出政务中心窗口人员工作态度、政务信息公开情况、政务网站建设、规章制度与办事群众的满意度息息相关的结论。在此基础上提出完善政务服务体系建设、提高工作人员素质、建立多规合一政务服务平台等完善路径,以推动广西政务服务工作的发展以及服务型政府的建设。Even though Guangxi government affairs service of the ＂12th five- year＂plan has come to an end,it is very necessary to summarize the achievements and the problems in this period. Based on a questionnaire to the masses who come to deal with affairs in the government service center,we collected and used SPSS21. 0 software to analyze the data. Through the analysis,we got the result that there is strong correlation between the masses’ satisfaction and the following factors such as working attitude of government staff,the situation of government information publicity,the website construction and the rule establishment of government service center. Based upon the result,we put forward several recommendations： consummating service system construction,improving staff quality and establishing a service unity platform of multi- rule to promote the development of the Guangxi government affairs service and the construction of a service- oriented government.国家自然科学基金(T1263009)； 广西民族大学研究生教育创新计划(gxun-chxs201528)； 硕士研究生普通田野调查项目(gxun-sdc201522

非对称核物质中质子和中子的~1S_0态超流性

利用Brueckner-Hartree-Fock和BCS理论方法,计算了非对称核物质中处于1S0态的质子和中子的对关联能隙,着重研究和讨论了能隙的同位旋依赖性和三体核力的影响.结果表明:随核物质的同位旋非对称度增大,中子1S0态超流相存在的密度范围逐渐缩小而且对关联能隙峰值稍有升高;质子1S0态超流相存在的密度范围迅速扩大而且对关联能隙峰值显著降低.三体核力对非对称核物质中1S0态中子超流性及其同位旋依赖性的影响相对较小,但对1S0态质子超流性具有重要影响,而且其效应随核子数密度增大而迅速增强.三体核力的主要作用是强烈地抑制了具有高非对称度的核物质中高密度区域的1S0态质子超流性,导致质子超流相存在的密度范围显著缩小