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

ZHENG Guo-Tong; SU Ru-Keng

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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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.