Alternating-Spin Ladders
T. Fukui, N. Kawakami
TL;DR
This paper explores a two-leg alternating-spin ladder system, analyzing its phase structure and properties using spin-wave and sigma model techniques, revealing diverse massive phases influenced by bond and spin alternation.
Contribution
It introduces a detailed analysis of alternating-spin ladders, highlighting the effects of bond and spin alternation on phase behavior using advanced theoretical methods.
Findings
Identification of various massive phases
Influence of bond and spin alternation on phase structure
Application of spin-wave and sigma model techniques
Abstract
We investigate a two-leg spin ladder system composed of alternating-spin chains with two-different kind of spins. The fixed point properties are discussed by using spin-wave analysis and non-linear sigma model techniques. The model contains various massive phases, reflecting the interplay between the bond-alternation and the spin-alternation.
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