The long-distance asymptotics for the correlation function of the third spin components in the XXO model with interaction through two sites (Q1405630)
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scientific article; zbMATH DE number 1971337
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The long-distance asymptotics for the correlation function of the third spin components in the XXO model with interaction through two sites |
scientific article; zbMATH DE number 1971337 |
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The long-distance asymptotics for the correlation function of the third spin components in the XXO model with interaction through two sites (English)
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1 September 2003
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The \(XX0\) chain in the external magnetic field directed along the \(z\) axis is discussed. The Hamiltonian describing the exchange interaction between two and four neighboring sites of the chain is constructed. An integral representation for the equal-time temperature correlation function of the third spin components is given. From the long-distance asymptotic of this correlation function, the correlation radius is calculated and its low-temperature behavior is studied.
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