论文标题
Hubbard模型与Kondo模型:强耦合极限
Hubbard model vs. Kondo model: Strong coupling limit
论文作者
论文摘要
Hubbard模型和晶格Kondo模型显示在强耦合极限下变得相同。但是,与强耦合体制的背离产生了不同的理论:相关的扰动术语会导致短期旋转交换$(T-J $型号)或短期电荷交换($ t-V $型号)。
The Hubbard model and the lattice Kondo model are shown to become identical in the strong-coupling limit. A departure from the strong-coupling regime produces distinct theories, however: the relevant perturbation terms give rise to either short-range spin exchange $(t-J$ model) or short-range charge exchange ($t-V$ model), respectively.