ITP OpenIR  > 理论物理所2017年知识产出
Quantifying Spontaneously Symmetry Breaking of Quantum Many-Body Systems
Dong, GH; Fang, YN; Sun, CP; Sun, CP (reprint author), Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China.; Sun, CP (reprint author), Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China.
2017
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
卷号68期号:4页码:405-411
文章类型Article
摘要Spontaneous symmetry breaking is related to the appearance of emergent phenomena, while a non-vanishing order parameter has been viewed as the sign of turning into such symmetry-breaking phase. We study the spontaneous symmetry breaking in the conventional superconductor and Bose Einstein condensation with a continuous measure of symmetry by showing that both the many-body systems can be mapped into the many spin model. We also formulate the underlying relation between the spontaneous symmetry breaking and the order parameter quantitatively. The degree of symmetry stays unity in the absence of the two emergent phenomena, while decreases exponentially at the appearance of the order parameter which indicates the inextricable relation between the spontaneous symmetry and the order parameter.
关键词Spontaneous Symmetry Breaking Bose-einstein Condensation Superconductor Group Theory
学科领域Physics
资助者National 973 Program [2014CB921403] ; National 973 Program [2014CB921403] ; National Key Research and Development Program [2016YFA0301201] ; National Key Research and Development Program [2016YFA0301201] ; National Natural Science Foundation of China [11421063, 11534002] ; National Natural Science Foundation of China [11421063, 11534002] ; National 973 Program [2014CB921403] ; National 973 Program [2014CB921403] ; National Key Research and Development Program [2016YFA0301201] ; National Key Research and Development Program [2016YFA0301201] ; National Natural Science Foundation of China [11421063, 11534002] ; National Natural Science Foundation of China [11421063, 11534002]
DOIhttp://dx.doi.org/10.1088/0253-6102/68/4/405
关键词[WOS]CLOCK SYNCHRONIZATION ; ENTANGLEMENT ; INFORMATION ; ASYMMETRY ; HELIUM ; ORDER
语种英语
资助者National 973 Program [2014CB921403] ; National 973 Program [2014CB921403] ; National Key Research and Development Program [2016YFA0301201] ; National Key Research and Development Program [2016YFA0301201] ; National Natural Science Foundation of China [11421063, 11534002] ; National Natural Science Foundation of China [11421063, 11534002] ; National 973 Program [2014CB921403] ; National 973 Program [2014CB921403] ; National Key Research and Development Program [2016YFA0301201] ; National Key Research and Development Program [2016YFA0301201] ; National Natural Science Foundation of China [11421063, 11534002] ; National Natural Science Foundation of China [11421063, 11534002]
WOS类目Physics, Multidisciplinary
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21955
专题理论物理所2017年知识产出
通讯作者Sun, CP (reprint author), Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China.; Sun, CP (reprint author), Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China.
推荐引用方式
GB/T 7714
Dong, GH,Fang, YN,Sun, CP,et al. Quantifying Spontaneously Symmetry Breaking of Quantum Many-Body Systems[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2017,68(4):405-411.
APA Dong, GH,Fang, YN,Sun, CP,Sun, CP ,&Sun, CP .(2017).Quantifying Spontaneously Symmetry Breaking of Quantum Many-Body Systems.COMMUNICATIONS IN THEORETICAL PHYSICS,68(4),405-411.
MLA Dong, GH,et al."Quantifying Spontaneously Symmetry Breaking of Quantum Many-Body Systems".COMMUNICATIONS IN THEORETICAL PHYSICS 68.4(2017):405-411.
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