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The free energy of quantum spin systems and large deviations

✍ Scribed by W. Cegła; J. T. Lewis; G. A. Raggio


Publisher
Springer
Year
1988
Tongue
English
Weight
971 KB
Volume
118
Category
Article
ISSN
0010-3616

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Free Energy of the Three-Dimensional Spi
✍ Chih-chun Chang 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 87 KB

By applying the Friedberg-Lee-Ren's theorem (Ann. Phys. (N.Y.) 228, 52 (1993)) to the spin-1 2 three-dimensional isotropic quantum Heisenberg system, we obtain the low-temperature expansion of the free energy through a field theoretical calculation done in the equivalent lattice boson system. We rep