Cited by 882Advanced Condensed Matter PhysicsTheoretical and Computational PhysicsPhysics of Superconductivity and Magnetism

Ordering Energy Levels of Interacting Spin Systems

Lieb, Elliott, Mattis, Daniel·1962·Journal of Mathematical Physics

Abstract

The total spin S is a good quantum number in problems of interacting spins. We have shown that for rather general antiferromagnetic or ferrimagnetic Hamiltonians, which need not exhibit translational invariance, the lowest energy eigenvalue for each value of S [denoted E(S) ] is ordered in a natural way. In antiferromagnetism, E(S + 1) > E(S) for S ≥ 0. In ferrimagnetism, E(S + 1) > E(S) for S≥S, and in addition the ground state belongs to S≤S. S is defined as follows: Let the maximum spin of the A sublattice be SA and of the B sublattice SB; then S≡|SA−SB|. Antiferromagnetism is treated as the special case of S=0. We also briefly discuss the structure of the lowest eigenfunctions in an external magnetic field.

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Crossref · 10.1063/1.1724276

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  • Based on Marshall's theorem and its extension, the absolute ground state has total spin zero for N spins on a bipartite lattice with nearest-neighbor antiferromagnetic Heisenberg-type interactions.

    “Based on Marshall's theorem[35] and its extension[36] the absolute ground state has total spin zero ( S 2 = 0 ) for N spins on a bipartite lattice with nearest-neighbor antiferromagnetic Heisenberg-type interactions.”

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Authors
Lieb, E., & Mattis, D.
Affiliations
  • Thomas J. Watson Research Center, International Business Machines Corporation, Yorktown Heights, New York
  • IBM Research - Thomas J. Watson Research Center (US)
Venue
Journal of Mathematical Physics
Published
1962-07-01
Volume
3
Issue
4
Pages
749-751
ISSN
  • 0022-2488 (ISSN-L)
  • 1089-7658
OpenAlex
W2146325398
Cited by
882
References
2
Citations by year
2026: 15 · 2025: 27 · 2024: 16 · 2023: 15 · 2022: 17 · 2021: 34 · 2020: 46 · 2019: 47 · 2018: 27 · 2017: 23 · 2016: 23 · 2015: 21 · 2014: 22 · 2013: 16 · 2012: 25
FWCI
0.42
Type
journal article
Language
en
Open access
closed
Locations
Journal of Mathematical Physics (publishedVersion)
Topics
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Advanced Condensed Matter Physics
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Theoretical and Computational Physics
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Physics of Superconductivity and Magnetism
Keywords
interacting spin systems, ground state energy, antiferromagnetism, ferrimagnetism, external magnetic field

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