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

  • 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.
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  • [1] 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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Get Citation
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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THE PHASE TRANSITION IN THE TWO-LEVEL PAIRING FORCE R(4) MODEL

    Corresponding author: XU Gong-Ou,

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.

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