The Long-Distance Asymptotics for the Correlation Function of the Third Spin Components in the XX0 Model with Interaction Through Two Sites
作者： M. B. Zvonarev , A. G. Izergin , A. G. Pronko
关键词: Bibliography 、 Mathematics 、 Magnetic field 、 Cartesian coordinate system 、 Quantum electrodynamics 、 Hamiltonian (quantum mechanics) 、 Exchange interaction 、 Correlation integral 、 Mathematical analysis 、 Integral representation
摘要: The XX0 chain in the external magnetic field directed along z axis is discussed. Hamiltonian describing exchange interaction between two and four neighboring sites of constructed. An integral representation for equal-time temperature correlation function third spin components given. From long-distance asymptotic this function, radius calculated its low-temperature behavior studied. Bibliography: 11 titles.
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