Low-temperature large-distance asymptotics of the transversal two-point functions of the XXZ chain
Low-temperature large-distance asymptotics of the transversal two-point functions of the XXZ chain
复制标题
XXZ链横向两点函数的低温大距离渐近
DOI:
10.1088/1742-5468/2014/04/p04012
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
K. K. Kozlowski
中科院分区:
文献类型:
--
作者:
M. Dugave;F. Göhmann;K. K. Kozlowski
We derive the low-temperature large-distance asymptotics of the transversal two-point functions of the XXZ chain by summing up the asymptotically dominant terms of their expansion into form factors of the quantum transfer matrix. Our asymptotic formulae are numerically efficient and match well with known results for vanishing magnetic field and for short distances and magnetic fields below the saturation field.
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DOI:
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Journal of Physics A
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