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题名: Phase transitions in a holographic s plus p model with back-reaction
作者: Nie, ZY;  Cai, RG;  Gao, X;  Li, L;  Zeng, H
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2015
卷号: 75, 期号:11, 页码:559
学科分类: Physics
DOI: http://dx.doi.org/10.1140/epjc/s10052-015-3773-2
通讯作者: Nie, ZY (reprint author), Kunming Univ Sci & Technol, Kunming 650500, Peoples R China.
文章类型: Article
英文摘要: In a previous paper (Nie et al. in JHEP 1311: 087, arXiv:1309.2204[hep-th], 2013), wepresented a holographic s + p superconductor model with a scalar triplet charged under an SU(2) gauge field in the bulk. We also study the competition and coexistence of the s-wave and p-wave orders in the probe limit. In this work we continue to study the model by considering the full back-reaction. The model shows a rich phase structure and various condensate behaviors such as the "n-type" and "u-type" ones, which are also known as reentrant phase transitions in condensed matter physics. The phase transitions to the p-wave phase or s + p coexisting phase become first order in strong back-reaction cases. In these first order phase transitions, the free energy curve always forms a swallow tail shape, in which the unstable s + p solution can also play an important role. The phase diagrams of this model are given in terms of the dimension of the scalar order and the temperature in the cases of eight different values of the back-reaction parameter, which show that the region for the s + p coexisting phase is enlarged with a small or medium back-reaction parameter but is reduced in the strong back-reaction cases.
类目[WOS]: Physics, Particles & Fields
收录类别: SCI
项目资助者: NSF [PHY-1417337] ;  European Union's Seventh Framework Programme [FP7-REGPOT-2012-2013-1, 316165] ;  EU-Greece program "Thales" [MIS 375734] ;  European Union (European Social Fund, ESF) ;  Greek national funds through the Operational Program "Education and Lifelong Learning" of the National Strategic Reference Framework (NSRF) ;  Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF161CJ1] ;  Shanghai Key Laboratory of Particle Physics and Cosmology [11DZ2230700] ;  Kunming University of Science and Technology [KKZ3201307020, KKSY201307037] ;  National Natural Science Foundation of China [11035008, 11247017, 11375247, 11447131, 11491240167]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20782
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Recommended Citation:
Nie, ZY,Cai, RG,Gao, X,et al. Phase transitions in a holographic s plus p model with back-reaction[J]. EUROPEAN PHYSICAL JOURNAL C,2015,75(11):559.
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