π AND σ MESON EXCHANGE POTENTIALS OF NUCLEON-NUCLEON INTERACTION AT FINITE TEMPERATURE

ZHENG Guo-Tong; SU Ru-Keng

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2024年10月30日

Chinese Physics C> 1990, Vol. 14> Issue(3) : 220-227

π AND σ MESON EXCHANGE POTENTIALS OF NUCLEON-NUCLEON INTERACTION AT FINITE TEMPERATURE

ZHENG Guo-Tong ^, ,
SU Ru-Keng

Department of Physics,Hangzhou Teacher's College1 Department of Physics,Fudan University,Shanghai

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Abstract：
On the basis of the field theory at finite temperature,the temperature dependences of effective masses of π and σ meson at the nucleon level are discussed.The character change of nucleon-nucleon interaction at low temperature T(T≤200MeV) are also investigated.The temperature dependences of effective masses of π and σ meson are in good agreemet with the results obtained from the Nambu-Jonal-Lasinio model at the quark level.

References

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D. Kirzhnits and A. Linde, Phys. Lett., 42B(1972), 471,[2] S. Weinberg, Phys. Rev., D8(1974), 3357.[3] J. Cleymans, R. V. Gavai and E. Suhomen, Phys. Rep., 130(1986), 217.[4] K. G. Kupper, G. Wegmanm and E. R. Hilf, Ann. Phys., (N. Y.) 88(1974), 654[5] R. K. Su, S. D. Yang and T, T. S. Kuo, Phys. Rev., C35(1987), 1539.[6] H. R. Jaquaman, A. Z. Mekjan and L. Zamick, Phys. Rev., C27(1983), 2782.[7] A. D. Panagiotau, M. W. Curtin, H. Toki, D. K. Scott and P. J. Siemens, Phys. Rev, Lett., 52(1984), 496.[8] M. W. Curtin, H, Toki and D. K. Scott, Phys. Lett., 123B(1983), 289[9] V. Bernard, U. G. Meissner and I. Zahed, Phys. Rev., D36(1987), 819.[10] T. Hatsuda and T. Kunihiro, Phys. Lett., 185B(1987), 304[11] 陈涛、苏汝铿，高能物理与核物理，12(1988)，140,[12] C. W, Wang, K. F. Liu, Nucleon-nucleon interaction, "Topics in nuclear physics, 1" ed, T. T. S Kuo, S. S. M. Wong (Springer, N. Y., 1981)[13] A. L.费特和J. D.瓦立克，多粒子系统的量子理论，(科学出版社，北京，1984)， p. 314.[14] C. Ltzykson and J. B. Zuber, Quantum field theory(McGRAW-Hill, N .Y., 1980), 56.[15] 胡济民，原子核理论，(原子能出版社，北京，1987)，第二卷,P. 72.

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ZHENG Guo-Tong and SU Ru-Keng. π AND σ MESON EXCHANGE POTENTIALS OF NUCLEON-NUCLEON INTERACTION AT FINITE TEMPERATURE[J]. Chinese Physics C, 1990, 14(3): 220-227.

ZHENG Guo-Tong and SU Ru-Keng. π AND σ MESON EXCHANGE POTENTIALS OF NUCLEON-NUCLEON INTERACTION AT FINITE TEMPERATURE[J]. Chinese Physics C, 1990, 14(3): 220-227. 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

π AND σ MESON EXCHANGE POTENTIALS OF NUCLEON-NUCLEON INTERACTION AT FINITE TEMPERATURE

ZHENG Guo-Tong ^,
SU Ru-Keng

Corresponding author: ZHENG Guo-Tong,

Department of Physics,Hangzhou Teacher's College1 Department of Physics,Fudan University,Shanghai

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1990-03-05

Abstract: On the basis of the field theory at finite temperature,the temperature dependences of effective masses of π and σ meson at the nucleon level are discussed.The character change of nucleon-nucleon interaction at low temperature T(T≤200MeV) are also investigated.The temperature dependences of effective masses of π and σ meson are in good agreemet with the results obtained from the Nambu-Jonal-Lasinio model at the quark level.