Large Fluctuation in Odd-Even Differences and Nonadditivity of Nuclear Moments of Inertia

  • Pairing correlation strongly influences various nuclear properties, including the binding energy, low-lying excited spectrum, and angular momentum alignment of a rotational band etc. The systematically observed large fluctuation in odd-even differences of moments of inertia and their nonadditivity can't be accounted for by the traditional BCS method for treating nuclear pairing correlations, instead, can be explained satisfactorily by the Particle-number conserving method, in which blocking effect is treated strictly.
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  • [1] . Bohr A, Mottelson B R, Pines D. Phys. Rev., 1958, 110:9362. Belyaev S T. Mat. Fys. Medd. Dan. Vid. Selsk., 1959, 31:11; Kisslinger L S, Sorensen R A. Mat. Fys. Medd. Dan.Vid. Selsk., 1960, 32: 12; Nilsson S G, Prior O. Mat. Fys.Medd. Dan. Vid. Selsk., 1960, 32: 163. Rowe D J. Nuclear Collective Motion (Methuen, London,1970)4. ZENG J Y , CHENG T S. Nucl. Phys., 1983, A405: 15. WU C S, ZENG J Y. Phys. Rev. Lett., 1991, 66: 10226. ZENG J Y, LEI Y A, JIN T H et al. Phys. Rev., 1994,C50: 7467. ZENG J Y, JIN T H, ZHAO Z J. Phys. Rev., 1994, C50:13388. YU L, GONG L X, LIU S X et al. Commu. Theor. Phys.,2005, 43: 2879. XIN X B, LEI Y A, LIU S X et al. Chin. Phys. Lett., 2000,17: 9410. LIU S X, ZENG J Y. Phys. Rev., 2002, C66: 06730111. Twin P J et al. Phys. Rev. Lett., 1986, 57: 81112. ZENG J Y, LIU S X, LEI Y A et al. Phys. Rev., 2001,C63: 02430513. LIU S X, ZENG J Y, ZHAO E G. Phys. Rev., 2002, C66:02432014. LIU S X, ZENG J Y. Nucl. Phys., 2004, A736: 269
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LIU Shu-Xin, LEI Yi-An and ZENG Jin-Yan. Large Fluctuation in Odd-Even Differences and Nonadditivity of Nuclear Moments of Inertia[J]. Chinese Physics C, 2006, 30(S2): 39-41.
LIU Shu-Xin, LEI Yi-An and ZENG Jin-Yan. Large Fluctuation in Odd-Even Differences and Nonadditivity of Nuclear Moments of Inertia[J]. Chinese Physics C, 2006, 30(S2): 39-41. shu
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Received: 2006-10-13
Revised: 1900-01-01
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Large Fluctuation in Odd-Even Differences and Nonadditivity of Nuclear Moments of Inertia

    Corresponding author: LIU Shu-Xin,
  • School of Physics, Peking University, Beijing 100871, ChinaCenter of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China

Abstract: Pairing correlation strongly influences various nuclear properties, including the binding energy, low-lying excited spectrum, and angular momentum alignment of a rotational band etc. The systematically observed large fluctuation in odd-even differences of moments of inertia and their nonadditivity can't be accounted for by the traditional BCS method for treating nuclear pairing correlations, instead, can be explained satisfactorily by the Particle-number conserving method, in which blocking effect is treated strictly.

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