Exact Jastrow-Gutzwiller resonating-valence-bond ground state of the spin-(1/2 antiferromagnetic Heisenberg chain with 1/r2 exchange

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Abstract

A set of Jastrow wave functions comprises exact eigenstates of a family of S=(1/2 antiferromagnetic chains with r-2 exchange. The ground state of the isotropic model is in this set, and is identical to the U limit of the Gutzwiller wave function, also identified as Andersons resonating-valence-bond state. The full set of energy levels of this model is obtained; the spectrum exhibits remarkable supermultiplet degeneracies suggesting the existence of a hidden continuous symmetry.

Original languageEnglish (US)
Pages (from-to)635-638
Number of pages4
JournalPhysical Review Letters
Volume60
Issue number7
DOIs
StatePublished - Jan 1 1988
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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