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PRESSURE OF DEGENERATE AND RELATIVISTIC ELECTRONS IN A SUPERHIGH MAGNETIC FIELD
Gao, Zhi Fu1,4; Wang, Na1; Peng, Qiu He2; Li, Xiang Dong2; Du, Yuan Jie3; 北京8701信箱
Department新技术研究室
Source PublicationMODERN PHYSICS LETTERS A
2013-11-30
Volume28Issue:36Pages:1350138
ISSN0217-7323
Language英语
KeywordLandau Levels Superhigh Magnetic Fields Fermi Surface
AbstractBased on our previous work, we deduce a general formula for pressure of degenerate and relativistic electrons, Pe, which is suitable for superhigh magnetic fields, discuss the quantization of Landau levels of electrons, and consider the quantum electrodynamic (QED) effects on the equations of states (EOSs) for different matter systems. The main conclusions are as follows: Pe is related to the magnetic field B, matter density ρ, and electron fraction Ye; the stronger the magnetic field, the higher the electron pressure becomes; the high electron pressure could be caused by high Fermi energy of electrons in a superhigh magnetic field; compared with a common radio pulsar, a magnetar could be a more compact oblate spheroid-like deformed neutron star (NS) due to the anisotropic total pressure; and an increase in the maximum mass of a magnetar is expected because of the positive contribution of the magnetic field energy to the EOS of the star.; Based on our previous work, we deduce a general formula for pressure of degenerate and relativistic electrons, P-e, which is suitable for superhigh magnetic fields, discuss the quantization of Landau levels of electrons, and consider the quantum electrodynamic (QED) effects on the equations of states (EOSs) for different matter systems. The main conclusions are as follows: P-e is related to the magnetic field B, matter density rho, and electron fraction Y-e; the stronger the magnetic field, the higher the electron pressure becomes; the high electron pressure could be caused by high Fermi energy of electrons in a superhigh magnetic field; compared with a common radio pulsar, a magnetar could be a more compact oblate spheroid-like deformed neutron star (NS) due to the anisotropic total pressure; and an increase in the maximum mass of a magnetar is expected because of the positive contribution of the magnetic field energy to the EOS of the star.
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/814
Collection空间技术部
Corresponding Author北京8701信箱
Affiliation1.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Xinjiang, Peoples R China
2.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210093, Jiangshu, Peoples R China
3.Chinese Acad Sci, Natl Space Sci Ctr, Beijing 100190, Peoples R China
4.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Gao, Zhi Fu,Wang, Na,Peng, Qiu He,et al. PRESSURE OF DEGENERATE AND RELATIVISTIC ELECTRONS IN A SUPERHIGH MAGNETIC FIELD[J]. MODERN PHYSICS LETTERS A,2013,28(36):1350138.
APA Gao, Zhi Fu,Wang, Na,Peng, Qiu He,Li, Xiang Dong,Du, Yuan Jie,&北京8701信箱.(2013).PRESSURE OF DEGENERATE AND RELATIVISTIC ELECTRONS IN A SUPERHIGH MAGNETIC FIELD.MODERN PHYSICS LETTERS A,28(36),1350138.
MLA Gao, Zhi Fu,et al."PRESSURE OF DEGENERATE AND RELATIVISTIC ELECTRONS IN A SUPERHIGH MAGNETIC FIELD".MODERN PHYSICS LETTERS A 28.36(2013):1350138.
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