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19932023
most citedAn extended massless phase and the Haldane phase in a spin-1 isotropic antiferromagnetic chain

116 citations · 589 across the 46 of their papers we have counts for

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2 papers · 1 filter

cond-mat.dis-nn2000

Random field O(N) spin model near four dimensions

Chigak Itoi, Hisamitsu Mukaida, Yoshinori Sakamoto

This paper has been withdrawn by the authors, due to a crucial error in beta functions.

cond-mat.stat-mech2000★ 96 cited

Strongly reduced gap in the zigzag spin chain with a ferromagnetic interchain coupling

Chigak Itoi, Shaojin Qin

We study a spin 1/2 Heisenberg zigzag spin chain model near decoupled two chains. Taking into account a symmetry breaking perturbation, we discuss the existence of an energy gap in…