On some upper bounds for spin velocity and instability of gapless state of 1-d Heisenberg chains

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dc.creatorKladko, Konstantin
dc.date1999-10-19
dc.date.accessioned2026-07-25T16:23:58Z
dc.descriptionWe derive upper bounds for spin velocity in half-integer-spin Heisenberg antiferromagnetic chains. We relate these upper bounds to the instability of the gapless state, which is observed in frustrated systems.
dc.description3 pages, RevTeX
dc.identifierhttps://arxiv.org/abs/cond-mat/9910286
dc.identifierhttp://arxiv.org/abs/cond-mat/9910286
dc.identifier.urihttps://dspace.dare.co.zw/handle/123456789/41027
dc.subjectStrongly Correlated Electrons
dc.subjectStatistical Mechanics
dc.titleOn some upper bounds for spin velocity and instability of gapless state of 1-d Heisenberg chains
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