Lattice Relaxation Theory of Localized Excitations in Quasi-One-Dimensional Systems

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概要

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• The lattice relaxation theory developed earlier by Su and Yu for solitons and polarons in conducting polymers is applied to systems with both electron-phonon and electron-electron interactions, described by a single band Peierls-Hubbard model. The localized excitations in the competing bond-order-wave (BOW), charge-density-wave (CDW) and spin-density-wave (SDW) systems show interesting new features in their dynamics. In particular, a non-monotonic dependence of the relaxation rate on the coupling strength is predicted from the theory. The possible connection of this effect with photo-luminescence experiments is discussed. Similar phenomena may occur in other quasi-one-dimensional systems as well.

• 理論物理学刊行会の論文
• 1993-10-20

著者

• Su Z‐b

  Institute Of Theoretical Physics Academia Sinica

• Su Zhao-bin

  Institute Of Theoretical Physics Academia Sinica

• WANG Chui-Lin

  China Center of Advanced Science and Technology (World Laboratory)

• YU Lu

  Institute of Theoretical Physics, Academia Sinica

• Yu Lu

  Institute Of Theoretical Physics Academia Sinica : International Center For Theoretical Physics

• YU Lu

  Institute of Theoretical Physics, Academia Sinica : International Center for Theoretical Physics

• SU Zhao-Bin

  Department of Physics, The City College of City University of New York : Inst. Theor. Phys., Academia Sinica

関連論文

• Phenomenological Lagrangian of Incommensurate Charge Density Wave System
• Lattice Relaxation Theory of Localized Excitations in Quasi-One-Dimensional Systems
• Spontaneous Symmetry Breaking and Nambu-Goldstone Mode in a Non-Equilibrium Dissipative System

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