Impact factor of Chinese Physics C is 3.6 in 2022 2021 Impact Factor 2.944
Advanced Search
Chinese Physics C> 2009, Vol. 33> Issue(7) : 547-551 DOI: 10.1088/1674-1137/33/7/008

Decomposition of the equation of state of asymmetric nuclear matter into different spin-isospin channels

  • We investigate the equation of state of asymmetric nuclear matter and its isospin dependence in various spin-isospin ST channels within the framework of the Brueckner-Hartree-Fock approach extended to include a microscopic three-body force (TBF). It is shown that the potential energy per nucleon in the isospin-singlet T=0 channel is mainly determined by the contribution from the tensor SD coupled channel. At high densities, the TBF effect on the isospin-triplet T=1 channel contribution turns out to be much larger than that on the T =0 channel contribution. At low densities around and below the normal nuclear matter density, the isospin dependence is found to come essentially from the isospin-singlet SD channel and the isospin-triplet T=1 component is almost independent of isospin asymmetry. As the density increases, the T=1 channel contribution becomes sensitive to the isospin asymmetry and at high enough densities its isospin dependence may even become more pronounced than that of the T=0 contribution. The present results may provide some microscopic constraints for improving effective nucleon-nucleon interactions in a nuclear medium and for constructing new functionals of effective nucleon-nucleon interaction based on microscopic many-body theories.

  • 加载中

  • References

    [1] . Vautherin D, Brink D M. Phys. Rev. C, 1972, 5: 6262. Friedrich J, Reinhard P G. Phys. Rev. C, 1986, 33: 3353. Dobaczewski J, Nazarewicz W et al. Phys. Rev. C, 1996,53: 28094. Goriely S, Samyn M, Heenen P H, Pearson J M, Tondeur F. Phys. Rev. C, 2002, 66: 0243265. Goriely S, Samyn M, Bender M, Pearson J M. Phys. Rev.C, 2003, 68: 0543256. Lesinski T, Bender M et al. Phys. Rev. C, 2007, 76: 0143127. Brito L, Chomaz P et al. Phys. Rev. C, 2007, 76: 0443168. Onsi M, Pearson J M. Phys. Rev. C, 2002, 65: 0473029. Stone J R, Miller J C et al. Phys. Rev. C, 2003, 68, 03432410. Stone J R, Reinhard P G. Progr. Part. Nucl. Phys., 2006,58: 58711. Meissner U G, Rakhimov A M et al. Eur. Phys. J. A, 2007,32: 29912. Denisov V Y, Norenberg W. Eur. Phys. J. A, 2002, 15: 37513. WANG N, WU X Z, LI Z X, LIU M, Scheid W. Phys. Rev.C, 2006, 74: 04460414. Goriely S, Samyn M et al. Phys. Rev. C, 2007, 75: 06431215. Brown B A. Phys. Rev. Lett. 2000, 85: 529616. CHEN L W, KO C M, LI B A. Phys. Rev. C, 2005, 72:06430917. Lesinski T, Bennaceur K et al. Phys. Rev. C, 2006, 74:04431518. Chabanat E, Bonche P, Haensel P, Meyer J, Schae er R.Nucl. Phys. A, 1997, 627: 710; Nucl. Phys. A, 1998, 635:231; Nucl. Phys. A, 1998, 643: 44119. Pudliner B S, Pandharipande V R, Carlson J, Pieper S C,Wiringa R B. Phys. Rev. C, 1997, 56: 172020. CAO L G, Lombardo U et al. Phys. Rev. C, 2006, 73:01431321. ZUO W, Lejeune A, Lombardo U, Mathiot J F. Nucl. Phys.A, 2002, 706: 418; Eur. Phys. J. A, 2002, 14: 46922. ZUO W, CAO L G, LI B A, Lombardo U, SHEN C W.Phys. Rev. C, 2005, 72: 01400523. Day B D. Rev. Mod. Phys., 1967, 39: 71924. ZUO W, Bombaci I, Lombardo U. Phys. Rev. C, 1999, 60:02460525. Jeukenne J P, Lejeune A, Mahaux C. Phys. Rep., 1976, 25:8326. SONG H Q, Baldo M, Giansiracusa G, Lombardo U. Phys.Rev. Lett., 1998, 81: 1584; Baldo M, Fiasconaro A, SONGH Q, Giansiracusa G, Lombardo U. Phys. Rev. C, 2002,65: 01730327. Lejeune A, Mahaux C. Nucl. Phys. A, 1978, 295: 18928. Baldo M. Nuclear Methods and the Nuclear Equation ofState. Ed. Baldo M. Singapore: World Scienti c, 1999. 129. Wiringa R B, Stoks V G J, Schiavilla R. Phys. Rev. C,1995, 51: 3830. Grange P, Lejeune A, Martzol M, Mathiot J F. Phys. Rev.C, 1989, 40: 104031. Baldo M, Bombaci I, Burgio G F. Astronomy and Astrophysics,1997, 328: 274

  • Access

    加载中

Get Citation
ZUO Wei, ZHOU Shan-Gui, LI Jun-Qing, ZHAO En-Guang and Scheid W. Decomposition of the equation of state of asymmetric nuclear matter into different spin-isospin channels[J]. Chinese Physics C, 2009, 33(7): 547-551. doi: 10.1088/1674-1137/33/7/008
ZUO Wei, ZHOU Shan-Gui, LI Jun-Qing, ZHAO En-Guang and Scheid W. Decomposition of the equation of state of asymmetric nuclear matter into different spin-isospin channels[J]. Chinese Physics C, 2009, 33(7): 547-551.  doi: 10.1088/1674-1137/33/7/008 shu
Milestone
Received: 2008-11-05
Revised: 2008-12-15
Article Metric

Article Views(3986)
PDF Downloads(562)
Cited by(0)
Policy on re-use
To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.
通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

  1. 本站搜索
  2. 百度学术搜索
  3. 万方数据库搜索
  4. CNKI搜索

Email This Article

Title:
Email:

Decomposition of the equation of state of asymmetric nuclear matter into different spin-isospin channels

    Corresponding author: ZUO Wei,
  • Received Date: 2008-11-05
  • Accepted Date: 2008-12-15
  • Available Online: 2009-07-05

Abstract: 

We investigate the equation of state of asymmetric nuclear matter and its isospin dependence in various spin-isospin ST channels within the framework of the Brueckner-Hartree-Fock approach extended to include a microscopic three-body force (TBF). It is shown that the potential energy per nucleon in the isospin-singlet T=0 channel is mainly determined by the contribution from the tensor SD coupled channel. At high densities, the TBF effect on the isospin-triplet T=1 channel contribution turns out to be much larger than that on the T =0 channel contribution. At low densities around and below the normal nuclear matter density, the isospin dependence is found to come essentially from the isospin-singlet SD channel and the isospin-triplet T=1 component is almost independent of isospin asymmetry. As the density increases, the T=1 channel contribution becomes sensitive to the isospin asymmetry and at high enough densities its isospin dependence may even become more pronounced than that of the T=0 contribution. The present results may provide some microscopic constraints for improving effective nucleon-nucleon interactions in a nuclear medium and for constructing new functionals of effective nucleon-nucleon interaction based on microscopic many-body theories.

    HTML

Reference (1)

目录

Link
IOPScience
SCOAP3
arXiv
Chinese Physical Society
Journal information
Introduction
Editorial Board
Others
Subscribe
Contact us
QQ: 1307685413
Tel: +86-010-88235947
Fax: +86-010-88233126
E-mail: cpc@ihep.ac.cn

  • CPC Website

  • IOP Website

  • CPC WeChat

Copyright © Institute of High Energy Physics, Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China 京ICP备05002789号-1

Supported by: Beijing Renhe Information Technology Co. Ltd  E-mail: info@rhhz.net

/

DownLoad:  Full-Size Img  PowerPoint
Return
Return