Cited by 2,223Quantum many-body systemsAdvanced Condensed Matter PhysicsTheoretical and Computational Physics

Rigorous results on valence-bond ground states in antiferromagnets

Affleck, Ian, Kennedy, Tom, Lieb, Elliott H., Tasaki, Hal·1987·Physical Review Letters

Abstract

We present rigorous results on a phase in antiferromagnets in one dimension and more, which we call a valence-bond solid. The ground state is simply constructed out of valence bonds, is nondegenerate, and breaks no symmetries. There is an energy gap and an exponentially decaying correlation function. Physical applications are mentioned.

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Crossref · 10.1103/physrevlett.59.799

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13 of 13 references verified0 citation errors · 0 not checkable

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  • The equally weighted superposition of all different localized valence-bond states corresponds to a quantum spin liquid, the resonating valence-bond state.

    “In general, the equally weighted superposition of all different localized valence-bond states corresponds to a quantum spin liquid, the so-called resonating valence-bond state[37, 38].”
  • Tuning the coupling ratio to κ = -∞ results in the equally weighted superposition |Φ×> + |Φ||>, whereas κ = 1 leads to the resonating valence-bond state |Φ=> + |Φ||>.

    “Tuning the coupling ratio to κ = -∞ results in the equally weighted superposition | Φ × 〉 + ∣ ∣ Φ ‖ 〉 , whereas κ = 1 leads to the interesting resonating valence-bond state[37-39] | Φ = 〉 + ∣ ∣ Φ ‖ 〉 .”

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Authors
Affleck, I., Kennedy, T., Lieb, E. H., & Tasaki, H.
Affiliations
Princeton University (US)
Venue
Physical Review Letters
Published
1987-08-17
Volume
59
Issue
7
Pages
799-802
ISSN
0031-9007 (ISSN-L)
OpenAlex
W2040059039
Cited by
2,223
References
13
Citations by year
2026: 76 · 2025: 91 · 2024: 87 · 2023: 142 · 2022: 97 · 2021: 102 · 2020: 121 · 2019: 90 · 2018: 102 · 2017: 94 · 2016: 83 · 2015: 81 · 2014: 69 · 2013: 60 · 2012: 51
FWCI
18.24
Type
journal article
Language
en
Open access
closed
Locations
  • Physical Review Letters (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum many-body systems
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Advanced Condensed Matter Physics
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Theoretical and Computational Physics
Keywords
valence bond solid, antiferromagnets, one-dimensional spin chain, ground state, band gap, symmetry breaking, rigorous results

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