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The excitation spectrum of the one-dimensionalXY-model in a magnetic field

✍ Scribed by Schmidt, U.


Book ID
105273047
Publisher
Springer-Verlag
Year
1974
Weight
347 KB
Volume
267
Category
Article
ISSN
0044-3328

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Single-particle excitation spectrum of i
✍ T. Saso; A. Oguri πŸ“‚ Article πŸ“… 1995 πŸ› Elsevier Science 🌐 English βš– 213 KB

Single-particle excitation spectrum of the Hubbard model in infinite-dimension is calculated under finite magnetic field by using the quantum Monte Carlo and the maximum entropy methods. It is found that (1) the filled part of the up-spin band expands and the empty part shrinks, while the down-spin