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cond-mat.str-el2012
Anomalous behavior of the spin gap of a spin-1/2 two-leg antiferromagnetic ladder with Ising-like rung interactions
Takashi Tonegawa, Kiyomi Okamoto, Shunsuke C. Furuya +1
Using mainly numerical methods, we investigate the width of the spin gap of a spin-1/2 two-leg ladder described by $\cH= J_\rl \sum_{j=1}^{N/2} [ \vS_{j,a} \cdot \vS_{j+1,a} + \vS_…
cond-mat.str-el2012★ 1 cited
Electron spin resonance shifts in S=1 antiferromagnetic chains
Shunsuke C. Furuya, Yoshitaka Maeda, Masaki Oshikawa
We discuss electron spin resonance (ESR) shifts in spin-1 Heisenberg antiferromagnetic chains with a weak single-ion anisotropy based on several effective field theories, the O(3)…