Scaling Properties of One Dimensional Fermi Gas with Spin-Dependent Forward Scattering

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概要

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• In a one dimensional Fermi gas, the scaling properties of the model in which g_2^‖ is separated from g_2^⊥ are investigated. The Lie equations for the BGD model (that consists of backward and forward scatterings) are considered in the four independent invarinat couplings, g_1^<‖*>, g_1^<⊥*>, g_2^<‖*> and g_2^<⊥*>, and the scaling trajectory is given in (g_1^‖,∣g_1^⊥∣) plane. Futher a phase diagram at 0K is investigated. Also a model with the Umklapp process is considered.

• 理論物理学刊行会の論文
• 1980-08-25

著者

• Sugiyama Tadao

  Department Of Physics Faculty Of Science Tokyo Institute Of Technology

• Sugiyama Tadao

  Department Of Physics Tokyo Institute Of Technology

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• Scaling Properties of One Dimensional Fermi Gas with Spin-Dependent Forward Scattering
• Resonance States in Non-Perturbative Quantum Field Theory. I
• Resonance States in Non-Perturbative Quantum Field Theory. II
• On the Ground State of the Spin Dependent BGD Model
• Kondo Effect and Mutual Interaction in One-Dimension

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