期刊
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
卷 52, 期 6, 页码 1734-1739出版社
KOREAN PHYSICAL SOC
DOI: 10.3938/jkps.52.1734
关键词
finite temperature; finite density; AdS/CFT; holographic QCD
资金
- National Research Foundation of Korea [과06A1107, R11-2005-021-02001-0, R11-2005-021-01001-0, R01-2007-000-10214-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We explore the phases of the N = 2 super Yang-Mills theory at a, finite quark density by introducing a quark chemical potential in a D3-D7 setup. We formulate the thermodynamics of brane embeddings and we find that the density versus chemical potential equation of state has a rich structure. This yields two distinct first-order phase transitions in a small window of the quark density. In other words, there is a new first-order phase transition in the region of deconfined quarks. In this new phase, the chemical potential is a decreasing function of the density. We suggest that this might be relevant to the difference in the sQGP-wQGP phases of QCD.
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