Excitations in the antiferromagnetic Heisenberg chain

  • A. Sütö
  • P. Fazekas
I. One Dimensional Models
Part of the Lecture Notes in Physics book series (LNP, volume 65)


Excitations of the antiferromagnetic Heisenberg chain of N atoms with spin ½ are examined. It is found that the energy of the lowest lying excitations for a total spin S and wave number q converges to π/2|sinq| as N → ∞, if S≲lnN.


Ground State Energy Total Spin Organic Conductor Energy Eigenstate Closed Chain 
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Copyright information

© Akadémiai Kiadó 1977

Authors and Affiliations

  • A. Sütö
    • 1
  • P. Fazekas
    • 1
  1. 1.Central Research Institute for PhysicsBudapestHungary

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