THE PHASE TRANSITION IN THE TWO-LEVEL PAIRING FORCE <EM>R</EM>(4) MODEL

XU Gong-Ou; LI Fu-Li

Chinese Physics C> 1986, Vol. 10> Issue(2) : 235-244

THE PHASE TRANSITION IN THE TWO-LEVEL PAIRING FORCE R(4) MODEL

XU Gong-Ou ^, ,
LI Fu-Li

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Abstract：
The phase transition from the super fluid to normal state with the increase of the seniority number in the two-level pairing force model is studied with a boson-fermion composite representation. Criteria for identifying the phase transition with observable phase characteristics are discussed.

References

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A. Bohr, B. R. Mottelson and D. Pines, Phys. Rev., 110(1958), 936.Rohr, Nuclear Structure,Dubna Symposium, p. 179. (Intern. Atomic Energy Agency, Vienna,1968).[2] Xu Gong-ou(徐躬耦), Li Fu-li(李福利), Commun. Theor. Phys.(理论物理).[3] J.Hogaasen-FeIdman, Nucl.Phys, 28(1961), 258.[4] R A. BmgIia et al Nucl.Phys., A107(1%8), I. R. A: Bmglia, O. Hansen and G Riedel, Adv.Nucl.Phys., 6(1973), 287.[5] 徐躬耦、杨亚天、王顺金, 中国科学, No. 4(1981), p. 427. Xu Gong-ou and Wang Shun-jin, Nucl.Phys., A380 (1982), 529.[6] 徐躬耦、杨亚天、顾金南, 高能物理与核物理, 8(1984), 275c.

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XU Gong-Ou and LI Fu-Li. THE PHASE TRANSITION IN THE TWO-LEVEL PAIRING FORCE R(4) MODEL[J]. Chinese Physics C, 1986, 10(2): 235-244.

XU Gong-Ou and LI Fu-Li. THE PHASE TRANSITION IN THE TWO-LEVEL PAIRING FORCE R(4) MODEL[J]. Chinese Physics C, 1986, 10(2): 235-244. 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

THE PHASE TRANSITION IN THE TWO-LEVEL PAIRING FORCE R(4) MODEL

XU Gong-Ou ^,
LI Fu-Li

Corresponding author: XU Gong-Ou,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1986-04-05

Abstract: The phase transition from the super fluid to normal state with the increase of the seniority number in the two-level pairing force model is studied with a boson-fermion composite representation. Criteria for identifying the phase transition with observable phase characteristics are discussed.