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Relativistic mean-field approximation with density-dependent screening meson masses in nuclear matter
Sun, BX; Lu, XF; Shen, PN; Zhao, EG; Sun, BX , Lab Phys Subatom & Cosmol, 3 Ave Martyrs, F-38026 Grenoble, France.
2003
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS
ISSN0218-3013
卷号12期号:4页码:543-554
摘要The Debye screening masses of the sigma, omega and neutral rho mesons and the photon are calculated in the relativistic mean-field approximation. As the density of the nucleon increases, all the screening masses of mesons increase. A different result with Brown-Rho scaling is shown, which implies a reduction in the mass of all the mesons in the nuclear matter, except the pion. Replacing the masses of the mesons with their corresponding screening masses in the Walecka-1 model, five saturation properties of the nuclear matter are fixed reasonably, and then a density-dependent relativistic mean-field model is proposed without introducing the nonlinear self-coupling terms of mesons.
部门归属Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China; Ctr Theoret Nucl Phys, Natl Lab Heavy Ion Accelerator, Lanzhou 730000, Peoples R China; Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China; China Ctr Adv Sci & Technol, World Lab, Beijing 100080, Peoples R China
关键词Finite Nuclei
学科领域Physics
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收录类别SCI
WOS记录号WOS:000185956400007
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被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13252
专题理论物理所1978-2010年知识产出
通讯作者Sun, BX , Lab Phys Subatom & Cosmol, 3 Ave Martyrs, F-38026 Grenoble, France.
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Sun, BX,Lu, XF,Shen, PN,et al. Relativistic mean-field approximation with density-dependent screening meson masses in nuclear matter[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,2003,12(4):543-554.
APA Sun, BX,Lu, XF,Shen, PN,Zhao, EG,&Sun, BX , Lab Phys Subatom & Cosmol, 3 Ave Martyrs, F-38026 Grenoble, France..(2003).Relativistic mean-field approximation with density-dependent screening meson masses in nuclear matter.INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,12(4),543-554.
MLA Sun, BX,et al."Relativistic mean-field approximation with density-dependent screening meson masses in nuclear matter".INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS 12.4(2003):543-554.
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