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The Institute of Physics ( IOP ) по журналам "Chinese Physics Letters"

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  • Zhu Xian-yang; Li Jing; Ren Lang; Wang Wen-bing (1997-03-01)
    The computation of near zone fields is very important in many practical applications. Accurate analyses of the on-axis fields of a circular disk by transient and harmonic excitation show that there is an energy uprising ...
  • Bao Jingdong (1992-01-01)
    An accurate and fast Monte-Carlo algorithm is proposed here for solving the Ginzburg-Landau equation with multiplicative colored noise. The stable cases of solution for choosing time steps and trajectory numbers are discussed.
  • Shuai Jian-wei; Chen Zhen-xiang; Liu Rui-tang; Wu Bo-xi (1996-03-01)
    A chaotic neural network model is introduced in this letter. With the variation of a controlling parameter, the model can process the input by a content-addressable means or fall into a chaotic state. Hence the features ...
  • Ma Shu-guo; Wu Guo-zhen (1998-10-01)
    A classical theory for the Raman optical activity (ROA) is proposed based on a picture that for a normal mode, atoms of a molecule with partial residual charges act as oscillating dipoles around their equilibrium positions, ...
  • Ji Da-ren; Zhang Jian-bo (1996-07-01)
    To extend the cluster algorithm to SU(N) × SU(N) chiral models, a variant version of Wolff's cluster algorithm is proposed and tested for the 2-dimensional SU(3) × SU(3) chiral model. The results show that the new method ...
  • Ying He-ping; Ji Da-ren (1996-03-01)
    A scheme of loop-cluster algorithm is developed for simulating an anisotropic Heisenberg antiferromagnetthe XYZ model. Results of numerical simulations are presented, suggesting that this quantum system may also be studied ...
  • Zongyun Chen; Nianning Huang (1987-09-01)
    Disregarding that the locations of poles of the transmission coefficient must be in the upper half-plane of k that is given by the usual inverse scattering method, solutions of the nonlinear Schrdinger equation are found ...
  • Guan Tie-tang; Zhao Qing-lan; Li Yuan-zhong; Huang Yi-sen (1998-01-01)
    The organic crystals of potassium hydrogen phthalate (KAP) (or rubidium hydrogen phthalate(RAP)) and thallium hydrogen phthalate(TAP) crystallize out in the same space group of P21ab. The growth morphological change between ...
  • Yang Feng; Lei Ziming; Liu Jiarui; Pan Guangyan; Yu Dehong; Sun Xiang (1989-04-01)
    There are three channels of excitation in collisions between Ar2+ and Ne or He, the first is double-electron capture into excited states, the second is single-electron capture into excited states and the third is direct ...
  • Jiang Weilin; Zhai Guangnian; Ren Mengmei; Zhu Peiran (1992-05-01)
    A simulation program for the Rutherford backscattering in the microcomputer has been developed. The energy spectra for any ion incident on any target (up to 10 elements) can be calculated. Energy resolution of the detecting ...
  • Wang Hong-mei; Gan Zi-zhao (1999-03-01)
    A continuous model for molecular vibration in C60 is developed which presents a physical picture easy to understand. The molecular vibration modes are expanded by vector spherical harmonics. With the choice of suitable ...
  • Yan Jun; Li Jiangnan; Hu Shike (1989-03-01)
    A cosmological constant has been derived from compactification of chiral closed-string. The (3+1)-dimensional space-time D4 has de-Sitter or anti-de-Sitter geometry. The compact space M5 is a Einstein manifold or a hyperbolic ...
  • Shen Xue-chu; Ye Hong-juan; Kang Li-xue; Tao Feng-xiang (1985-05-01)
    We report here the acoustic local mode and TA band mode for the lattice vibration of the mixed crystals Cd1-xMnxTe as observed by very far infrared spectra. The occurence of the acoustic local mode and the weakly optical ...
  • Jihai Xu (1987-10-01)
    The acoustic Plasmons have been considered as a possible mechanism for superconductivity in heavy-fermion systems with s- and f-electons. This may be used to explain the exotic properties observed in heavy-fermion superconductors.
  • Xue Qiang; Shui Yongan; Zhang De (1986-06-01)
    The properties of LSW propagation under periodic metal grating have been investigated by using a new method of field analysis that leads to a satisfactory solution fitting the electrical boundary conditions. The detailed ...
  • Li Wei; Yin Jianhua; Shui Yongan (1993-06-01)
    The acoustoelectric nonlinear effect due to the electrical nonlinearity of semiconductor has been observed as presented in this article by using vertically incident bulk wave at LiNbO3/Si boundary. This effect is closely ...
  • Ding Xiao-ling; Wu Shun-guang; Yin Yue-cai; He Da-ren (1999-03-01)
    A kind of crisis with special scaling properties has been observed in a discontinuous map. The crisis happens via a collision between a discontinuity of the mapping function and an unstable periodic orbit locating on the ...
  • Tian Yu-chu (1998-07-01)
    A model-reference adaptive control strategy is proposed for a delay chaotic system with known or unknown parameters. Theoretical analysis and numerical simulations show that the controlled system state can track an arbitrarily ...
  • Wu Huifang (1986-12-01)
    We have obtained the half-life of 2 decay in 48Ca by using the two-nucleon mechanism and our nuclear shell model space wave function. Our result shows that it is consistent with experimental data and our wave function works ...
  • Zi Jian; Zhang Kaiming; Xie Xide (1989-08-01)
    The monolayer adsorbed Mo(001) surface is studied by the slab dynamical calculation by using the nearest and next nearest neighbour interactions. The phase diagram is obtained for light, heavy atom adsorbed and clean Mo(001) ...