Coupling of pion condensate, chiral condensate, and Polyakov loop in an extended Nambu-Jona-Lasinio model
The Nambu-Jona-Lasinio model with a Polyakov loop is extended to the finite isospin chemical potential case, which is characterized by the simultaneous coupling of the pion condensate, chiral condensate, and Polyakov loop. The pion condensate, chiral condensate, and Polyakov loop as functions of tem...
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| Veröffentlicht in: | Physical review. C, Nuclear physics Nuclear physics, 2007-06, Vol.75 (6) |
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| container_title | Physical review. C, Nuclear physics |
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| creator | Zhang Zhao CCAST Liu Yuxin Department of Physics, Peking University, Beijing 100871 |
| description | The Nambu-Jona-Lasinio model with a Polyakov loop is extended to the finite isospin chemical potential case, which is characterized by the simultaneous coupling of the pion condensate, chiral condensate, and Polyakov loop. The pion condensate, chiral condensate, and Polyakov loop as functions of temperature and isospin chemical potential are investigated by minimizing the thermodynamic potential of the system. The resulting (T,{mu}{sub I}) phase diagram is studied with emphasis on the critical point and Polyakov loop dynamics. The tricritical point for the pion superfluidity phase transition is confirmed, and the phase transition for isospin symmetry restoration in the high isospin chemical potential region perfectly coincides with the crossover phase transition for the Polyakov loop. These results agree with the lattice QCD data. |
| doi_str_mv | 10.1103/PHYSREVC.75.064910 |
| format | Article |
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The pion condensate, chiral condensate, and Polyakov loop as functions of temperature and isospin chemical potential are investigated by minimizing the thermodynamic potential of the system. The resulting (T,{mu}{sub I}) phase diagram is studied with emphasis on the critical point and Polyakov loop dynamics. The tricritical point for the pion superfluidity phase transition is confirmed, and the phase transition for isospin symmetry restoration in the high isospin chemical potential region perfectly coincides with the crossover phase transition for the Polyakov loop. These results agree with the lattice QCD data.</description><identifier>ISSN: 0556-2813</identifier><identifier>EISSN: 1089-490X</identifier><identifier>DOI: 10.1103/PHYSREVC.75.064910</identifier><language>eng</language><publisher>United States</publisher><subject>CHIRALITY ; COLOR MODEL ; CONDENSATES ; COUPLING ; ISOSPIN ; NUCLEAR PHYSICS AND RADIATION PHYSICS ; PHASE DIAGRAMS ; PHASE TRANSFORMATIONS ; PIONS ; POTENTIALS ; QUANTUM CHROMODYNAMICS ; SUPERFLUIDITY ; SYMMETRY ; TEMPERATURE DEPENDENCE</subject><ispartof>Physical review. 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C, Nuclear physics</title><description>The Nambu-Jona-Lasinio model with a Polyakov loop is extended to the finite isospin chemical potential case, which is characterized by the simultaneous coupling of the pion condensate, chiral condensate, and Polyakov loop. The pion condensate, chiral condensate, and Polyakov loop as functions of temperature and isospin chemical potential are investigated by minimizing the thermodynamic potential of the system. The resulting (T,{mu}{sub I}) phase diagram is studied with emphasis on the critical point and Polyakov loop dynamics. The tricritical point for the pion superfluidity phase transition is confirmed, and the phase transition for isospin symmetry restoration in the high isospin chemical potential region perfectly coincides with the crossover phase transition for the Polyakov loop. These results agree with the lattice QCD data.</description><subject>CHIRALITY</subject><subject>COLOR MODEL</subject><subject>CONDENSATES</subject><subject>COUPLING</subject><subject>ISOSPIN</subject><subject>NUCLEAR PHYSICS AND RADIATION PHYSICS</subject><subject>PHASE DIAGRAMS</subject><subject>PHASE TRANSFORMATIONS</subject><subject>PIONS</subject><subject>POTENTIALS</subject><subject>QUANTUM CHROMODYNAMICS</subject><subject>SUPERFLUIDITY</subject><subject>SYMMETRY</subject><subject>TEMPERATURE DEPENDENCE</subject><issn>0556-2813</issn><issn>1089-490X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNpVj01LxDAURYMoWEf_gKuAW1OTJk3bpZTRUQYd_EJXQ_qSONFO3mA6ov_egm68mwuHy4VDyLHguRBcni1mL_d306c2r8qca9UIvkMyweuGqYY_75KMl6VmRS3kPjlI6Y2PkVJnJLS43fQhvlL0dBMwUsBoXUxmcKcUVuHD9P-QiZYusP827_hJe8QNDXGE1H0NblxZemPW3ZZdYzRsblKIAekaresPyZ43fXJHfz0hjxfTh3bG5reXV-35nKGo5cCU0dBwY4WQdQdGlopbaa2Xhaq4dpW2AoqiUb4oNRjjtdDgAXwnO9E5C3JCTn5_MQ1hmSAMDlajQXQwLAsxequmlD9_mFwa</recordid><startdate>20070625</startdate><enddate>20070625</enddate><creator>Zhang Zhao</creator><creator>CCAST</creator><creator>Liu Yuxin</creator><creator>Department of Physics, Peking University, Beijing 100871</creator><scope>OTOTI</scope></search><sort><creationdate>20070625</creationdate><title>Coupling of pion condensate, chiral condensate, and Polyakov loop in an extended Nambu-Jona-Lasinio model</title><author>Zhang Zhao ; CCAST ; Liu Yuxin ; Department of Physics, Peking University, Beijing 100871</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-o183t-4a6c90ad1138bca3540d3ddf324706e76d1c2294f256caaf616cfccfb3b1bedc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>CHIRALITY</topic><topic>COLOR MODEL</topic><topic>CONDENSATES</topic><topic>COUPLING</topic><topic>ISOSPIN</topic><topic>NUCLEAR PHYSICS AND RADIATION PHYSICS</topic><topic>PHASE DIAGRAMS</topic><topic>PHASE TRANSFORMATIONS</topic><topic>PIONS</topic><topic>POTENTIALS</topic><topic>QUANTUM CHROMODYNAMICS</topic><topic>SUPERFLUIDITY</topic><topic>SYMMETRY</topic><topic>TEMPERATURE DEPENDENCE</topic><toplevel>online_resources</toplevel><creatorcontrib>Zhang Zhao</creatorcontrib><creatorcontrib>CCAST</creatorcontrib><creatorcontrib>Liu Yuxin</creatorcontrib><creatorcontrib>Department of Physics, Peking University, Beijing 100871</creatorcontrib><collection>OSTI.GOV</collection><jtitle>Physical review. C, Nuclear physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang Zhao</au><au>CCAST</au><au>Liu Yuxin</au><au>Department of Physics, Peking University, Beijing 100871</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Coupling of pion condensate, chiral condensate, and Polyakov loop in an extended Nambu-Jona-Lasinio model</atitle><jtitle>Physical review. C, Nuclear physics</jtitle><date>2007-06-25</date><risdate>2007</risdate><volume>75</volume><issue>6</issue><issn>0556-2813</issn><eissn>1089-490X</eissn><abstract>The Nambu-Jona-Lasinio model with a Polyakov loop is extended to the finite isospin chemical potential case, which is characterized by the simultaneous coupling of the pion condensate, chiral condensate, and Polyakov loop. The pion condensate, chiral condensate, and Polyakov loop as functions of temperature and isospin chemical potential are investigated by minimizing the thermodynamic potential of the system. The resulting (T,{mu}{sub I}) phase diagram is studied with emphasis on the critical point and Polyakov loop dynamics. The tricritical point for the pion superfluidity phase transition is confirmed, and the phase transition for isospin symmetry restoration in the high isospin chemical potential region perfectly coincides with the crossover phase transition for the Polyakov loop. These results agree with the lattice QCD data.</abstract><cop>United States</cop><doi>10.1103/PHYSREVC.75.064910</doi></addata></record> |
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| ispartof | Physical review. C, Nuclear physics, 2007-06, Vol.75 (6) |
| issn | 0556-2813 1089-490X |
| language | eng |
| recordid | cdi_osti_scitechconnect_21003495 |
| source | American Physical Society Journals |
| subjects | CHIRALITY COLOR MODEL CONDENSATES COUPLING ISOSPIN NUCLEAR PHYSICS AND RADIATION PHYSICS PHASE DIAGRAMS PHASE TRANSFORMATIONS PIONS POTENTIALS QUANTUM CHROMODYNAMICS SUPERFLUIDITY SYMMETRY TEMPERATURE DEPENDENCE |
| title | Coupling of pion condensate, chiral condensate, and Polyakov loop in an extended Nambu-Jona-Lasinio model |
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