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Using 2N 1 successive stationary states centred at nth,we construct a rectangular wavepacket in which the stationary states are superimposed with the equal weight 2N 1.With the requirement of the wavepacket to be a quasi-classical state,the number N is determined by minimizing the uncertainty ΔxΔp,Since the stationary state can only be determined to within an arbitrary multiplicative complex phase factor of unit magnitude,a number of N is obtained as a set of the phases are given.For a harmonic oscillator,when all of the phase factors are essentially the same,we have N≈[6^1/3n^2/3] with [x] signifying the integral part of positive number x,When every phase in the phase factors is given by a random number generated in a closed interval [0,2π] and when n≥10,the probability of appearance of N is roughly 1/2^N when N=1 to 7,and does not exceed 0.01 when N≥8. 相似文献
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A technique of coordinate transformation is devised to overcome the computational difficulty associated with the direct transformation between eigenfunctions of three components of the geometric momentum on two-dimensional spherical surface, and the computations are firstly carried out in new coordinates and secondly the results are transformed back into the original coordinates. The eigenfunctions of different components of geometric momentum is explicitly demonstrated to transform under the spatial rotations in the precise way we anticipate. 相似文献
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关于量子理想气体吉布斯定理的证明 总被引:1,自引:0,他引:1
量子理想气体不遵守焦耳定律,它的吉布斯定理需要重新证明,本文将针对弱科并的情况给出具体证明。 相似文献
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