96-252 Parreira J. R., Bolina O., Perez J. F.
Energy Gap in Heisenberg Antiferromagnetic Half-Integer Spin Chains with Long-Range Interactions (10K, TeX) Jun 6, 96
Abstract , Paper (src), View paper (auto. generated ps), Index of related papers

Abstract. We show that there is no gap in the excitation spectrum of antiferromagnetic chains with half-integer spins and long-range interactions provided the exchange function has a sufficiently rapid decay

Files: 96-252.tex