THERMOSTATIC PROPERTIES OF NUCLEAR MATTER IN A SATURATING CHIRAL BREAKING FIELD THEORY

CUI Yun-Long; QIU Xi-Jun

Chinese Physics C> 1990, Vol. 14> Issue(8) : 731-738

THERMOSTATIC PROPERTIES OF NUCLEAR MATTER IN A SATURATING CHIRAL BREAKING FIELD THEORY

CUI Yun-Long ^, ,
QIU Xi-Jun

Shanghai Institute of Nuclear Research,Academia Sinica

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Abstract：
The saturating chiral breaking field theory are used to study thermostatic properties of nuclear matter for different regions of temperature in the framework of mean-field theory.The results given by Chowdhury et al.are improved and developed.By using the numerical integration for the Fermi integral,we find the low temperature approximation taken by Chowdhury et al.to be valid only when βμ_eff>2.4.The critical temperature T_c for the liquid-gas phase transition is obtained to be about 23MeV and the phase transition of the nucleon-antinucleon plasma is found in the range from T=150MeV to T=200MeV.

References

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J. D.Walecka, Ann. Phys., (N. Y.) 83(1974), 491[2] J. Bovuta and A. R. Bodmer, Nucl. Phys, A292(1977), 413.[3] J. Boguta, Phys. Lett., B120(1983), 34[4] J. D.Walecka, Phys. Lett., B59(1975), 109[5] R. A. Freedman, Phys. Lett., B79(1977), 27.[6] C.S. Warke et al., J. Phys. G: Nucl. Phys., 9(1983), 1083[7] J.Iheis et al., Phys. Rev., D28(1983), 2286.[8] Safayet Karim Chowdhury et al., Phys. Rev., C33(1986), 314[9] M. Gell-Mann and M. Levy,Nuovo Cimmento,，16(1960), 705.[10] R. K. Su, S. D. Yang and T.T .S.Kuo, Phys. Rev., C35(1987), 1539.

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CUI Yun-Long and QIU Xi-Jun. THERMOSTATIC PROPERTIES OF NUCLEAR MATTER IN A SATURATING CHIRAL BREAKING FIELD THEORY[J]. Chinese Physics C, 1990, 14(8): 731-738.

CUI Yun-Long and QIU Xi-Jun. THERMOSTATIC PROPERTIES OF NUCLEAR MATTER IN A SATURATING CHIRAL BREAKING FIELD THEORY[J]. Chinese Physics C, 1990, 14(8): 731-738. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

THERMOSTATIC PROPERTIES OF NUCLEAR MATTER IN A SATURATING CHIRAL BREAKING FIELD THEORY

CUI Yun-Long ^,
QIU Xi-Jun

Corresponding author: CUI Yun-Long,

Shanghai Institute of Nuclear Research,Academia Sinica

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1990-08-05

Abstract: The saturating chiral breaking field theory are used to study thermostatic properties of nuclear matter for different regions of temperature in the framework of mean-field theory.The results given by Chowdhury et al.are improved and developed.By using the numerical integration for the Fermi integral,we find the low temperature approximation taken by Chowdhury et al.to be valid only when βμ_eff>2.4.The critical temperature T_c for the liquid-gas phase transition is obtained to be about 23MeV and the phase transition of the nucleon-antinucleon plasma is found in the range from T=150MeV to T=200MeV.