中国物理B ›› 1995, Vol. 4 ›› Issue (8): 561-568.doi: 10.1088/1004-423X/4/8/001

• GENERAL •    下一篇

PHASE TRANSITION PROPERTY OF THE BOSONIZED HUBBARD MODEL

丁国辉, 许伯威   

  1. Department of Physics, Shanghai Jiaotong University, Shanghai 200030, China
  • 收稿日期:1994-10-11 出版日期:1995-08-20 发布日期:1995-08-20
  • 基金资助:
    Project supported by the National Natural Science Foundation of China.

PHASE TRANSITION PROPERTY OF THE BOSONIZED HUBBARD MODEL

DING GUO-HUI (丁国辉), XU BO-WEI (许伯威)   

  1. Department of Physics, Shanghai Jiaotong University, Shanghai 200030, China
  • Received:1994-10-11 Online:1995-08-20 Published:1995-08-20
  • Supported by:
    Project supported by the National Natural Science Foundation of China.

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摘要： Using the bosonization method of one-dimensional fermion system, we discussed the bosonized Hamiltonian of the half-filling Hubbard model, and investigated the ground state and phase transition properties with the gaussian effective potential method of sine-Gordon field.

Abstract: Using the bosonization method of one-dimensional fermion system, we discussed the bosonized Hamiltonian of the half-filling Hubbard model, and investigated the ground state and phase transition properties with the gaussian effective potential method of sine-Gordon field.

中图分类号:  (Lattice fermion models (Hubbard model, etc.))

  • 71.10.Fd
05.70.Fh (Phase transitions: general studies)