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Cai, RG; Li, L; Li, LF; Wang, YQ; Cai, RG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Competition and coexistence of order parameters in holographic multi-band superconductors
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
AbstractWe construct a holographic multi-band superconductor model with each complex scalar field in the bulk minimally coupled to a same gauge field. Taking into account the back reaction of matter fields on the background geometry and focusing on the two band case with two scalar order parameters, we find that depending on the strength of the back reaction and the charge ratio of the two bulk scalars, five different superconducting phases exist, and three of five phases exhibit some region where both orders coexist and are thermodynamically favored. The other two superconducting phases have only one scalar order. The model exhibits rich phase structure and we construct the full diagram for the five superconducting phases. Our analysis indicates that the equivalent attractive interaction mediated by gravity between the two order parameters tends to make the coexistence of two orders much more easy rather than more difficult.
2013
ISSN1029-8479
Issue9Pages:74
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [10821504, 10975168, 11035008, 11205226, 11175019, 41231066, 11005054]; Ministry of Science and Technology of China [2010CB833004]; National Basic Research Program of China (973 Program) [2011CB811404]; Specialized Research Fund for State Key Laboratories ; National Natural Science Foundation of China [10821504, 10975168, 11035008, 11205226, 11175019, 41231066, 11005054]; Ministry of Science and Technology of China [2010CB833004]; National Basic Research Program of China (973 Program) [2011CB811404]; Specialized Research Fund for State Key Laboratories ; National Natural Science Foundation of China [10821504, 10975168, 11035008, 11205226, 11175019, 41231066, 11005054]; Ministry of Science and Technology of China [2010CB833004]; National Basic Research Program of China (973 Program) [2011CB811404]; Specialized Research Fund for State Key Laboratories ; National Natural Science Foundation of China [10821504, 10975168, 11035008, 11205226, 11175019, 41231066, 11005054]; Ministry of Science and Technology of China [2010CB833004]; National Basic Research Program of China (973 Program) [2011CB811404]; Specialized Research Fund for State Key Laboratories
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15279
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCai, RG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Cai, RG,Li, L,Li, LF,et al. Competition and coexistence of order parameters in holographic multi-band superconductors[J]. JOURNAL OF HIGH ENERGY PHYSICS,2013(9):74.
APA Cai, RG,Li, L,Li, LF,Wang, YQ,&Cai, RG .(2013).Competition and coexistence of order parameters in holographic multi-band superconductors.JOURNAL OF HIGH ENERGY PHYSICS(9),74.
MLA Cai, RG,et al."Competition and coexistence of order parameters in holographic multi-band superconductors".JOURNAL OF HIGH ENERGY PHYSICS .9(2013):74.
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