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Quantum domain walls in the one-dimensional Ising model in a transverse field

✍ Scribed by P. Prelovšek; I. Sega


Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
290 KB
Volume
81
Category
Article
ISSN
0375-9601

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The one-dimensional Ising model with a t
✍ Pierre Pfeuty 📂 Article 📅 1970 🏛 Elsevier Science 🌐 English ⚖ 448 KB

The one-dimensional Ising model with a transverse field is solved exactly by transforming the set of Pauli operators to a new set of Fermi operators. The elementary excitations, the ground-state energy and the free energy are found. The instantaneous correlation function between any two spins is cal