A NEW METHOD TO SOLVE THE S = l/2 HEISENBERG SPIN CHAIN

LIN NIAN; YU ZU-RONG

doi:10.7498/aps.42.1990

Abstract
We present a new approach which is completely based on the permutation group theory to solve the eigenvalue problem of the S = 1/2 Heisenberg finite-chain with free-ends boundary. All of the eigenvalues and the corresponding eigenstates are obtained. The properties of the ground state and the low-lying excited states of the antiferromagnetic chain are examined.
Authors and contacts
LIN NIAN,

YU ZU-RONG

1.
同济大学物理系,上海200092
References

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Vol. 42, Issue 12 - 1993-06-20

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A NEW METHOD TO SOLVE THE S = l/2 HEISENBERG SPIN CHAIN

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A NEW METHOD TO SOLVE THE S = l/2 HEISENBERG SPIN CHAIN

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