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21.
An algebraic Hamiltonian for the two coupled nonlinear vibrations of highly excited nonrigid molecule HCP was presented. The Hamiltonian reduces to the conventional one in a limit which was expressed in terms of harmonic oscillator operators. It showed that the algebraic model can better reproduce the data than the conventional model by fitting the observed data of HCP. 相似文献
22.
用U(2)代数模型,对H2O分子OH键的高激发振动能谱进行了理论计算,并与其它模型的计算相比较,结果表明,代数模型能以较小的标准偏差描述这一分子OH键的振动能谱. 相似文献
23.
The dynamical properties of quantum entanglement in an integrable
quantum dimer are studied in terms of the reduced-density linear entropy
with various coupling parameters and total boson numbers. The characteristic
time of decoherence process in the early-time evolution of the linear entropy
is obtained, indicating that the characteristic time and the corresponding
entropy exhibit a maximum near the position of the corresponding classical
separatrix energy. 相似文献