Pinning of the sliding collective charge state in a one-dimensional attractive fermion system

Article

关键词: BOUNDARY-CONDITIONS;    LUTTINGER LIQUID;    HUBBARD CHAIN;    MODEL;    XXZ;    EXPONENTS;    ENERGY;   

DOI  :  10.1103/PhysRevB.59.7950

来源: SCIE

【 摘 要 】

We investigate an interacting fermion model with boundary potential by using the Bethe ansatz method. The ground-state properties of the system and the boundary effect are discussed. It is found that an attractive boundary potential leads to the boundary bound state. An interesting phenomenon is that the sliding collective charges in a periodic system, which is formed due to the attractive interaction among the fermions, will be pinned around the boundary, as long as the negative boundary potential is strong enough. [S0163-1829(99)05911-1].

【 授权许可】

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