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- Title
Quantum and classical criticalities in the frustrated two-leg Heisenberg ladder.
- Authors
Azzouz, Mohamed; Ramakko, Brandon
- Abstract
This paper is about the frustration-induced criticality in the antiferromagnetic Heisenberg model on the two-leg ladder with exchange interactions along the chains, rungs, and diagonals, and also about the effect of thermal fluctuations on this criticality. The method used is the bond-mean-field theory, which is based on the Jordan–Wigner transformation in dimensions higher than one. In this paper, we will summarize the main results presented in a talk, and report on new results about the couplings and temperature dependences of the spin susceptibility.PACS Nos.: 75.10.Jm, 75.10.Dg, 75.50.Ee
- Subjects
HEISENBERG uncertainty principle; ANTIFERROMAGNETISM; QUANTUM theory; CRITICALITY (Nuclear engineering); FERROMAGNETISM
- Publication
Canadian Journal of Physics, 2008, Vol 86, Issue 4, p509
- ISSN
0008-4204
- Publication type
Article
- DOI
10.1139/P08-003