SPIN-PEIERLS TRANSITION OF THE ANTIFERROMAGNETIC CHAIN | Zendy

Zhiguo Wang | Zendy; Ding Guo-Hui | Zendy; Xu Bo-wei | Zendy

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SPIN-PEIERLS TRANSITION OF THE ANTIFERROMAGNETIC CHAIN

Author(s) -

Zhiguo Wang,

Ding Guo-Hui,

Xu Bo-wei

Publication year - 1999

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.48.296

Subject(s) - antiferromagnetism , condensed matter physics , ground state , physics , peierls transition , distortion (music) , spin (aerodynamics) , chain (unit) , field (mathematics) , quantum mechanics , amplifier , mathematics , optoelectronics , cmos , pure mathematics , thermodynamics

By using the Fermi-Bose transformation, the antiferromagnetic chain is mapped into the bosonic field, and the energy density of the ground state and the excite states of the model are given. The relationship between the energy density of the ground state and the strength of distortion of the model is obtained. The results show that there exists a spin-Peierls transition in the model. Finally, the numerical simulation is performed to verify the above theoretical prediction.

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