Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
1997-09-25
Physics
Condensed Matter
Strongly Correlated Electrons
14 pages, Latex, No figures, to appear in J. Phys. A: Gen. & Math
Scientific paper
10.1088/0305-4470/30/23/013
The magnetic susceptibility and the low-temperature specific heat of the 1-dimensional Hubbard model under the integrable open-boundary conditions are discussed through the Bethe ansatz with the string hypothesis. The contributions of the boundary fields to both the susceptibility and the specific heat are obtained, and their exact expressions are analytically derived.
Deguchi Tetsuo
Yue Ruihong
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