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检索条件"主题词=number state method"
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Two-vibron bound states in the β-Fermi-Pasta-Ulam model
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Chinese Physics B 2008年 第11期17卷 4268-4272页
作者: 胡新广 唐翌 Department of Physics Xiangtan University
This paper studies the two-vibron bound states in the β- Fermi Pasta-Ulam model by means of the number conserving approximation combined with the number state method. The results indicate that on-site, adjacent-site ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Quantum Solitons and Localized Modes in a One-Dimensional Lattice Chain with Nonlinear Substrate Potential
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Communications in Theoretical Physics 2006年 第5期45卷 869-872页
作者: LI De-Jun MI Xian-Wu DENG Ke TANG Yi Department of Physics Jishou University Jishou 416000 China Department of Physics Xiangtan University Xiangtan 411105 China
In the classical lattice theory, solitons and localized modes can exist in many one-dimensional nonlinear lattice chains, however, in the quantum lattice theory, whether quantum solitons and localized modes can exist ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论