中国物理B ›› 1998, Vol. 7 ›› Issue (11): 864-869.doi: 10.1088/1004-423X/7/11/008

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇    

REPLICA SOLUTION TO QUANTUM INFINITE RANGE HEISENBERG MODEL

商育民, 姚凯伦   

  1. Department of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
  • 收稿日期:1998-03-19 出版日期:1998-11-20 发布日期:1998-11-20
  • 基金资助:
    Project supported by the National Natural Science Foundation of China under the Grant No. 19933401 and the Key Project of Basic Research.

REPLICA SOLUTION TO QUANTUM INFINITE RANGE HEISENBERG MODEL

Shang Yu-min (商育民), Yao Kai-lun (姚凯伦)   

  1. Department of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
  • Received:1998-03-19 Online:1998-11-20 Published:1998-11-20
  • Supported by:
    Project supported by the National Natural Science Foundation of China under the Grant No. 19933401 and the Key Project of Basic Research.

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摘要： By using replica method and Matsubara imaginary-time functional-integral technique, the quantum infinite range Heisenberg model is solved. The solution shows that the quantum infinite range Heisenberg model also has phase transition.

Abstract: By using replica method and Matsubara imaginary-time functional-integral technique, the quantum infinite range Heisenberg model is solved. The solution shows that the quantum infinite range Heisenberg model also has phase transition.

中图分类号:  (Quantized spin models, including quantum spin frustration)

  • 75.10.Jm
75.30.Kz (Magnetic phase boundaries (including classical and quantum magnetic transitions, metamagnetism, etc.))