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Such analytical expressions were derived for special cases by multiple authors. More general results were obtained by Yang and Yang in C. N. Yang and C. P. Yang One-Dimensional Chain of Anisotropic Spin-Spin Interactions. II. Properties of the Ground-State Energy Per Lattice Site for an Infinite System, Phys. Rev. 150, 327 (1966). For example, the ground ...


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As a partial answer, the journal Sov. Phys. Solid State has several entries in WorldCat, including e.g. this one. The same seems to be true of Semiconductor Physics. If you enter your location, WorldCat will provide you with a list of the geographically-closest libraries that have the journal. If you can go to those libraries, it's often the simplest ...


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