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Multiconfigurational quantum propagation with trajectory-guided generalized coherent states

机译:轨迹引导广义相干态的多配置量子传播

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摘要

A generalized version of the coupled coherent states method for coherent states of arbitrary Lie groups is developed. In contrast to the original formulation, which is restricted to frozen-Gaussian basis sets, the extended method is suitable for propagating quantum states of systems featuring diversified physical properties, such as spin degrees of freedom or particle indistinguishability. The approach is illustrated with simple models for interacting bosons trapped in double- and triple-well potentials, most adequately described in terms of SU(2) and SU(3) bosonic coherent states, respectively. (C) 2016 AIP Publishing LLC.
机译:开发了用于任意李群相干态的耦合相干态方法的广义形式。与仅限于冻结高斯基集的原始公式相反,扩展方法适用于传播具有多种物理特性(例如自旋自由度或粒子不可分辨)的系统的量子态。该方法用简单的模型进行了说明,该模型用于相互作用陷在双阱和三阱势能中的玻色子,分别用SU(2)和SU(3)玻色相干态进行了充分描述。 (C)2016 AIP出版有限责任公司。

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